diff --git a/src/World.Net.UnitTests/Countries/GuineaBissauTest.cs b/src/World.Net.UnitTests/Countries/GuineaBissauTest.cs
new file mode 100644
index 0000000..25d6097
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/GuineaBissauTest.cs
@@ -0,0 +1,51 @@
+namespace World.Net.UnitTests.Countries;
+
+public sealed class GuineaBissauTest : AssertCountryTestBase
+{
+    private const string GUINEABISSAU_COUNTRY_NAME = "Guinea-Bissau";
+    private const string GUINEABISSAU_NATIVE_NAME = "Guiné-Bissau";
+    private const string GUINEABISSAU_CAPITAL = "Bissau";
+    private const string GUINEABISSAU_OFFICIAL_NAME = "Republic of Guinea-Bissau";
+    private const string GUINEABISSAU_ISO2_CODE = "GW";
+    private const string GUINEABISSAU_ISO3_CODE = "GNB";
+    private const int GUINEABISSAU_NUMERIC_CODE = 624;
+    private readonly string[] GUINEABISSAU_CALLING_CODE = ["+245"];
+    private const CountryIdentifier EXPECTEDID = CountryIdentifier.GuineaBissau;
+
+    private static readonly (string Name, string IsoCode, string Type)[] EXPECTED_STATES =
+    [
+        new("Bafatá", "GW-BFA", "Region"),
+        new("Biombo", "GW-BIB", "Region"),
+        new("Bissau", "GW-BS", "Region"),
+        new("Bolama", "GW-BM", "Region"),
+        new("Cacheu", "GW-CA", "Region"),
+        new("Gabu", "GW-GA", "Region"),
+        new("Oio", "GW-OI", "Region"),
+        new("Quinara", "GW-QU", "Region"),
+        new("Tombali", "GW-TO", "Region")
+    ];
+
+    [Fact]
+    public void GetCountry_ReturnsCorrectInformation_ForGuineaBissau()
+    {
+        // Arrange
+        // Act
+        var country = CountryProvider.GetCountry(EXPECTEDID);
+
+        // Assert
+        AssertCorrectInformation(
+            country,
+            EXPECTEDID,
+            GUINEABISSAU_COUNTRY_NAME,
+            GUINEABISSAU_OFFICIAL_NAME,
+            GUINEABISSAU_NATIVE_NAME,
+            GUINEABISSAU_CAPITAL,
+            GUINEABISSAU_NUMERIC_CODE,
+            GUINEABISSAU_ISO2_CODE,
+            GUINEABISSAU_ISO3_CODE,
+            GUINEABISSAU_CALLING_CODE,
+            EXPECTED_STATES
+        );
+    }
+}
+
diff --git a/src/World.Net.UnitTests/Countries/GuyanaTest.cs b/src/World.Net.UnitTests/Countries/GuyanaTest.cs
new file mode 100644
index 0000000..2d6b7b0
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/GuyanaTest.cs
@@ -0,0 +1,51 @@
+namespace World.Net.UnitTests.Countries;
+
+public sealed class GuyanaTest : AssertCountryTestBase
+{
+    private const string GUYANA_COUNTRY_NAME = "Guyana";
+    private const string GUYANA_NATIVE_NAME = "Guyana";
+    private const string GUYANA_CAPITAL = "Georgetown";
+    private const string GUYANA_OFFICIAL_NAME = "Co-operative Republic of Guyana";
+    private const string GUYANA_ISO2_CODE = "GY";
+    private const string GUYANA_ISO3_CODE = "GUY";
+    private const int GUYANA_NUMERIC_CODE = 328;
+    private readonly string[] GUYANA_CALLING_CODE = ["+592"];
+    private const CountryIdentifier EXPECTEDID = CountryIdentifier.Guyana;
+
+    private static readonly (string Name, string IsoCode, string Type)[] EXPECTED_STATES =
+    [
+        new("Barima-Waini", "GY-BA", "Region"),
+    new("Pomeroon-Supenaam", "GY-PT", "Region"),
+    new("Essequibo Islands-West Demerara", "GY-ES", "Region"),
+    new("Demerara-Mahaica", "GY-DE", "Region"),
+    new("Mahaica-Berbice", "GY-MA", "Region"),
+    new("East Berbice-Corentyne", "GY-EB", "Region"),
+    new("Cuyuni-Mazaruni", "GY-CU", "Region"),
+    new("Potaro-Siparuni", "GY-PT", "Region"),
+    new("Upper Takutu-Upper Essequibo", "GY-UT", "Region"),
+    new("Upper Demerara-Berbice", "GY-UD", "Region")
+    ];
+
+    [Fact]
+    public void GetCountry_ReturnsCorrectInformation_ForGuyana()
+    {
+        // Arrange
+        // Act
+        var country = CountryProvider.GetCountry(EXPECTEDID);
+
+        // Assert
+        AssertCorrectInformation(
+            country,
+            EXPECTEDID,
+            GUYANA_COUNTRY_NAME,
+            GUYANA_OFFICIAL_NAME,
+            GUYANA_NATIVE_NAME,
+            GUYANA_CAPITAL,
+            GUYANA_NUMERIC_CODE,
+            GUYANA_ISO2_CODE,
+            GUYANA_ISO3_CODE,
+            GUYANA_CALLING_CODE,
+            EXPECTED_STATES
+        );
+    }
+}
diff --git a/src/World.Net.UnitTests/Countries/HaitiTest.cs b/src/World.Net.UnitTests/Countries/HaitiTest.cs
new file mode 100644
index 0000000..dbcc08f
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/HaitiTest.cs
@@ -0,0 +1,51 @@
+namespace World.Net.UnitTests.Countries;
+
+public sealed class HaitiTest : AssertCountryTestBase
+{
+    private const string HAITI_COUNTRY_NAME = "Haiti";
+    private const string HAITI_NATIVE_NAME = "Haïti";
+    private const string HAITI_CAPITAL = "Port-au-Prince";
+    private const string HAITI_OFFICIAL_NAME = "Republic of Haiti";
+    private const string HAITI_ISO2_CODE = "HT";
+    private const string HAITI_ISO3_CODE = "HTI";
+    private const int HAITI_NUMERIC_CODE = 332;
+    private readonly string[] HAITI_CALLING_CODE = ["+509"];
+    private const CountryIdentifier EXPECTEDID = CountryIdentifier.Haiti;
+
+    private static readonly (string Name, string IsoCode, string Type)[] EXPECTED_STATES =
+    [
+        new("Artibonite", "HT-AR", "Department"),
+        new("Centre", "HT-CE", "Department"),
+        new("Grand'Anse", "HT-GA", "Department"),
+        new("Nippes", "HT-NI", "Department"),
+        new("Nord", "HT-NO", "Department"),
+        new("Nord-Est", "HT-NE", "Department"),
+        new("Nord-Ouest", "HT-NW", "Department"),
+        new("Ouest", "HT-OU", "Department"),
+        new("Sud", "HT-SD", "Department"),
+        new("Sud-Est", "HT-SE", "Department")
+    ];
+
+    [Fact]
+    public void GetCountry_ReturnsCorrectInformation_ForHaiti()
+    {
+        // Arrange
+        // Act
+        var country = CountryProvider.GetCountry(EXPECTEDID);
+
+        // Assert
+        AssertCorrectInformation(
+            country,
+            EXPECTEDID,
+            HAITI_COUNTRY_NAME,
+            HAITI_OFFICIAL_NAME,
+            HAITI_NATIVE_NAME,
+            HAITI_CAPITAL,
+            HAITI_NUMERIC_CODE,
+            HAITI_ISO2_CODE,
+            HAITI_ISO3_CODE,
+            HAITI_CALLING_CODE,
+            EXPECTED_STATES
+        );
+    }
+}
diff --git a/src/World.Net.UnitTests/Countries/HeardIslandAndMcDonaldIslandsTest.cs b/src/World.Net.UnitTests/Countries/HeardIslandAndMcDonaldIslandsTest.cs
new file mode 100644
index 0000000..b49f81a
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/HeardIslandAndMcDonaldIslandsTest.cs
@@ -0,0 +1,39 @@
+namespace World.Net.UnitTests.Countries;
+
+public sealed class HeardIslandAndMcDonaldIslandsTest : AssertCountryTestBase
+{
+    private const string COUNTRY_NAME = "Heard Island and McDonald Islands";
+    private const string NATIVE_NAME = "Heard Island and McDonald Islands";
+    private const string CAPITAL = "Atlas Cove";
+    private const string OFFICIAL_NAME = "Heard Island and McDonald Islands";
+    private const string ISO2_CODE = "HM";
+    private const string ISO3_CODE = "HMD";
+    private const int NUMERIC_CODE = 334;
+    private readonly string[] CALLING_CODE = []; // No calling code
+    private const CountryIdentifier EXPECTEDID = CountryIdentifier.HeardIslandAndMcDonaldIslands;
+
+    private static readonly (string Name, string IsoCode, string Type)[] EXPECTED_STATES = [];
+
+    [Fact]
+    public void GetCountry_ReturnsCorrectInformation_ForHeardIslandAndMcDonaldIslands()
+    {
+        // Arrange
+        // Act
+        var country = CountryProvider.GetCountry(EXPECTEDID);
+
+        // Assert
+        AssertCorrectInformation(
+            country,
+            EXPECTEDID,
+            COUNTRY_NAME,
+            OFFICIAL_NAME,
+            NATIVE_NAME,
+            CAPITAL,
+            NUMERIC_CODE,
+            ISO2_CODE,
+            ISO3_CODE,
+            CALLING_CODE,
+            EXPECTED_STATES
+        );
+    }
+}
diff --git a/src/World.Net.UnitTests/Countries/HondurasTest.cs b/src/World.Net.UnitTests/Countries/HondurasTest.cs
new file mode 100644
index 0000000..4d3a42d
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/HondurasTest.cs
@@ -0,0 +1,59 @@
+namespace World.Net.UnitTests.Countries;
+
+public sealed class HondurasTest : AssertCountryTestBase
+{
+    private const string HONDURAS_COUNTRY_NAME = "Honduras";
+    private const string HONDURAS_NATIVE_NAME = "Honduras";
+    private const string HONDURAS_CAPITAL = "Tegucigalpa";
+    private const string HONDURAS_OFFICIAL_NAME = "Republic of Honduras";
+    private const string HONDURAS_ISO2_CODE = "HN";
+    private const string HONDURAS_ISO3_CODE = "HND";
+    private const int HONDURAS_NUMERIC_CODE = 340;
+    private readonly string[] HONDURAS_CALLING_CODE = ["+504"];
+    private const CountryIdentifier EXPECTEDID = CountryIdentifier.Honduras;
+
+    private static readonly (string Name, string IsoCode, string Type)[] EXPECTED_STATES =
+    [
+        new("Atlántida", "HN-AT", "Department"),
+        new("Choluteca", "HN-CH", "Department"),
+        new("Colón", "HN-CL", "Department"),
+        new("Comayagua", "HN-CM", "Department"),
+        new("Copán", "HN-CP", "Department"),
+        new("Cortés", "HN-CR", "Department"),
+        new("El Paraíso", "HN-EP", "Department"),
+        new("Francisco Morazán", "HN-FM", "Department"),
+        new("Gracias a Dios", "HN-GD", "Department"),
+        new("Intibucá", "HN-IN", "Department"),
+        new("Islas de la Bahía", "HN-IB", "Department"),
+        new("La Paz", "HN-LP", "Department"),
+        new("Lempira", "HN-LE", "Department"),
+        new("Ocotepeque", "HN-OC", "Department"),
+        new("Olancho", "HN-OL", "Department"),
+        new("Santa Bárbara", "HN-SB", "Department"),
+        new("Valle", "HN-VA", "Department"),
+        new("Yoro", "HN-YO", "Department")
+    ];
+
+    [Fact]
+    public void GetCountry_ReturnsCorrectInformation_ForHonduras()
+    {
+        // Arrange
+        // Act
+        var country = CountryProvider.GetCountry(EXPECTEDID);
+
+        // Assert
+        AssertCorrectInformation(
+            country,
+            EXPECTEDID,
+            HONDURAS_COUNTRY_NAME,
+            HONDURAS_OFFICIAL_NAME,
+            HONDURAS_NATIVE_NAME,
+            HONDURAS_CAPITAL,
+            HONDURAS_NUMERIC_CODE,
+            HONDURAS_ISO2_CODE,
+            HONDURAS_ISO3_CODE,
+            HONDURAS_CALLING_CODE,
+            EXPECTED_STATES
+        );
+    }
+}
diff --git a/src/World.Net.UnitTests/Countries/HongKongTest.cs b/src/World.Net.UnitTests/Countries/HongKongTest.cs
new file mode 100644
index 0000000..cea1641
--- /dev/null
+++ b/src/World.Net.UnitTests/Countries/HongKongTest.cs
@@ -0,0 +1,39 @@
+namespace World.Net.UnitTests.Countries;
+
+public sealed class HongKongTest : AssertCountryTestBase
+{
+    private const string COUNTRY_NAME = "Hong Kong";
+    private const string NATIVE_NAME = "香港";
+    private const string CAPITAL = "Hong Kong";
+    private const string OFFICIAL_NAME = "Hong Kong Special Administrative Region of China";
+    private const string ISO2_CODE = "HK";
+    private const string ISO3_CODE = "HKG";
+    private const int NUMERIC_CODE = 344;
+    private readonly string[] CALLING_CODE = ["+852"];
+    private const CountryIdentifier EXPECTEDID = CountryIdentifier.HongKongSAR;
+
+    private static readonly (string Name, string IsoCode, string Type)[] EXPECTED_STATES = [];
+
+    [Fact]
+    public void GetCountry_ReturnsCorrectInformation_ForHongKong()
+    {
+        // Arrange
+        // Act
+        var country = CountryProvider.GetCountry(EXPECTEDID);
+
+        // Assert
+        AssertCorrectInformation(
+            country,
+            EXPECTEDID,
+            COUNTRY_NAME,
+            OFFICIAL_NAME,
+            NATIVE_NAME,
+            CAPITAL,
+            NUMERIC_CODE,
+            ISO2_CODE,
+            ISO3_CODE,
+            CALLING_CODE,
+            EXPECTED_STATES
+        );
+    }
+}
diff --git a/src/World.Net/Countries/GuineaBissau.cs b/src/World.Net/Countries/GuineaBissau.cs
new file mode 100644
index 0000000..f7d45db
--- /dev/null
+++ b/src/World.Net/Countries/GuineaBissau.cs
@@ -0,0 +1,45 @@
+namespace World.Net.Countries;
+
+internal sealed class GuineaBissau : ICountry
+{
+    //<inheritdoc/>
+    public CountryIdentifier Id => CountryIdentifier.GuineaBissau;
+
+    //<inheritdoc/>
+    public string Name { get; } = "Guinea-Bissau";
+
+    //<inheritdoc/>
+    public string OfficialName { get; } = "Republic of Guinea-Bissau";
+
+    //<inheritdoc/>
+    public string NativeName => "Guiné-Bissau";
+
+    //<inheritdoc/>
+    public string Capital { get; } = "Bissau";
+
+    //<inheritdoc/>
+    public int NumericCode { get; } = 624;
+
+    //<inheritdoc/>
+    public string ISO2Code { get; } = "GW";
+
+    //<inheritdoc/>
+    public string ISO3Code { get; } = "GNB";
+
+    //<inheritdoc/>
+    public string[] CallingCode { get; } = ["+245"];
+
+    //<inheritdoc/>
+    public IEnumerable<State> States =>
+    [
+        new("Bafatá", "GW-BFA", "Region"),
+        new("Biombo", "GW-BIB", "Region"),
+        new("Bissau", "GW-BS", "Region"), // autonomous sector
+        new("Bolama", "GW-BM", "Region"),
+        new("Cacheu", "GW-CA", "Region"),
+        new("Gabu", "GW-GA", "Region"),
+        new("Oio", "GW-OI", "Region"),
+        new("Quinara", "GW-QU", "Region"),
+        new("Tombali", "GW-TO", "Region")
+    ];
+}
diff --git a/src/World.Net/Countries/Guyana.cs b/src/World.Net/Countries/Guyana.cs
new file mode 100644
index 0000000..874df30
--- /dev/null
+++ b/src/World.Net/Countries/Guyana.cs
@@ -0,0 +1,46 @@
+namespace World.Net.Countries;
+
+internal sealed class Guyana : ICountry
+{
+    //<inheritdoc/>
+    public CountryIdentifier Id => CountryIdentifier.Guyana;
+
+    //<inheritdoc/>
+    public string Name { get; } = "Guyana";
+
+    //<inheritdoc/>
+    public string OfficialName { get; } = "Co-operative Republic of Guyana";
+
+    //<inheritdoc/>
+    public string NativeName => "Guyana";
+
+    //<inheritdoc/>
+    public string Capital { get; } = "Georgetown";
+
+    //<inheritdoc/>
+    public int NumericCode { get; } = 328;
+
+    //<inheritdoc/>
+    public string ISO2Code { get; } = "GY";
+
+    //<inheritdoc/>
+    public string ISO3Code { get; } = "GUY";
+
+    //<inheritdoc/>
+    public string[] CallingCode { get; } = ["+592"];
+
+    //<inheritdoc/>
+    public IEnumerable<State> States =>
+    [
+        new("Barima-Waini", "GY-BA", "Region"),
+        new("Pomeroon-Supenaam", "GY-PT", "Region"),
+        new("Essequibo Islands-West Demerara", "GY-ES", "Region"),
+        new("Demerara-Mahaica", "GY-DE", "Region"),
+        new("Mahaica-Berbice", "GY-MA", "Region"),
+        new("East Berbice-Corentyne", "GY-EB", "Region"),
+        new("Cuyuni-Mazaruni", "GY-CU", "Region"),
+        new("Potaro-Siparuni", "GY-PT", "Region"),
+        new("Upper Takutu-Upper Essequibo", "GY-UT", "Region"),
+        new("Upper Demerara-Berbice", "GY-UD", "Region")
+    ];
+}
diff --git a/src/World.Net/Countries/Haiti.cs b/src/World.Net/Countries/Haiti.cs
new file mode 100644
index 0000000..2db88aa
--- /dev/null
+++ b/src/World.Net/Countries/Haiti.cs
@@ -0,0 +1,47 @@
+namespace World.Net.Countries;
+
+internal sealed class Haiti : ICountry
+{
+    //<inheritdoc/>
+    public CountryIdentifier Id => CountryIdentifier.Haiti;
+
+    //<inheritdoc/>
+    public string Name { get; } = "Haiti";
+
+    //<inheritdoc/>
+    public string OfficialName { get; } = "Republic of Haiti";
+
+    //<inheritdoc/>
+    public string NativeName => "Haïti";
+
+    //<inheritdoc/>
+    public string Capital { get; } = "Port-au-Prince";
+
+    //<inheritdoc/>
+    public int NumericCode { get; } = 332;
+
+    //<inheritdoc/>
+    public string ISO2Code { get; } = "HT";
+
+    //<inheritdoc/>
+    public string ISO3Code { get; } = "HTI";
+
+    //<inheritdoc/>
+    public string[] CallingCode { get; } = ["+509"];
+
+    //<inheritdoc/>
+    public IEnumerable<State> States =>
+    [
+        new("Artibonite", "HT-AR", "Department"),
+        new("Centre", "HT-CE", "Department"),
+        new("Grand'Anse", "HT-GA", "Department"),
+        new("Nippes", "HT-NI", "Department"),
+        new("Nord", "HT-NO", "Department"),
+        new("Nord-Est", "HT-NE", "Department"),
+        new("Nord-Ouest", "HT-NW", "Department"),
+        new("Ouest", "HT-OU", "Department"),
+        new("Sud", "HT-SD", "Department"),
+        new("Sud-Est", "HT-SE", "Department")
+    ];
+}
+
diff --git a/src/World.Net/Countries/HeardIslandAndMcDonaldIslands.cs b/src/World.Net/Countries/HeardIslandAndMcDonaldIslands.cs
new file mode 100644
index 0000000..abdce8a
--- /dev/null
+++ b/src/World.Net/Countries/HeardIslandAndMcDonaldIslands.cs
@@ -0,0 +1,34 @@
+namespace World.Net.Countries;
+
+internal sealed class HeardIslandAndMcDonaldIslands : ICountry
+{
+    //<inheritdoc/>
+    public CountryIdentifier Id => CountryIdentifier.HeardIslandAndMcDonaldIslands;
+
+    //<inheritdoc/>
+    public string Name { get; } = "Heard Island and McDonald Islands";
+
+    //<inheritdoc/>
+    public string OfficialName { get; } = "Heard Island and McDonald Islands";
+
+    //<inheritdoc/>
+    public string NativeName => "Heard Island and McDonald Islands";
+
+    //<inheritdoc/>
+    public string Capital { get; } = "Atlas Cove";
+
+    //<inheritdoc/>
+    public int NumericCode { get; } = 334;
+
+    //<inheritdoc/>
+    public string ISO2Code { get; } = "HM";
+
+    //<inheritdoc/>
+    public string ISO3Code { get; } = "HMD";
+
+    //<inheritdoc/>
+    public string[] CallingCode { get; } = []; // No population, no calling code
+
+    //<inheritdoc/>
+    public IEnumerable<State> States => [];
+}
diff --git a/src/World.Net/Countries/Honduras.cs b/src/World.Net/Countries/Honduras.cs
new file mode 100644
index 0000000..2fea9fd
--- /dev/null
+++ b/src/World.Net/Countries/Honduras.cs
@@ -0,0 +1,55 @@
+namespace World.Net.Countries;
+
+internal sealed class Honduras : ICountry
+{
+    //<inheritdoc/>
+    public CountryIdentifier Id => CountryIdentifier.Honduras;
+
+    //<inheritdoc/>
+    public string Name { get; } = "Honduras";
+
+    //<inheritdoc/>
+    public string OfficialName { get; } = "Republic of Honduras";
+
+    //<inheritdoc/>
+    public string NativeName => "Honduras";
+
+    //<inheritdoc/>
+    public string Capital { get; } = "Tegucigalpa";
+
+    //<inheritdoc/>
+    public int NumericCode { get; } = 340;
+
+    //<inheritdoc/>
+    public string ISO2Code { get; } = "HN";
+
+    //<inheritdoc/>
+    public string ISO3Code { get; } = "HND";
+
+    //<inheritdoc/>
+    public string[] CallingCode { get; } = ["+504"];
+
+    //<inheritdoc/>
+    public IEnumerable<State> States =>
+    [
+        new("Atlántida", "HN-AT", "Department"),
+        new("Choluteca", "HN-CH", "Department"),
+        new("Colón", "HN-CL", "Department"),
+        new("Comayagua", "HN-CM", "Department"),
+        new("Copán", "HN-CP", "Department"),
+        new("Cortés", "HN-CR", "Department"),
+        new("El Paraíso", "HN-EP", "Department"),
+        new("Francisco Morazán", "HN-FM", "Department"),
+        new("Gracias a Dios", "HN-GD", "Department"),
+        new("Intibucá", "HN-IN", "Department"),
+        new("Islas de la Bahía", "HN-IB", "Department"),
+        new("La Paz", "HN-LP", "Department"),
+        new("Lempira", "HN-LE", "Department"),
+        new("Ocotepeque", "HN-OC", "Department"),
+        new("Olancho", "HN-OL", "Department"),
+        new("Santa Bárbara", "HN-SB", "Department"),
+        new("Valle", "HN-VA", "Department"),
+        new("Yoro", "HN-YO", "Department")
+    ];
+}
+
diff --git a/src/World.Net/Countries/HongKong.cs b/src/World.Net/Countries/HongKong.cs
new file mode 100644
index 0000000..d1dab0a
--- /dev/null
+++ b/src/World.Net/Countries/HongKong.cs
@@ -0,0 +1,34 @@
+namespace World.Net.Countries;
+
+internal sealed class HongKong : ICountry
+{
+    //<inheritdoc/>
+    public CountryIdentifier Id => CountryIdentifier.HongKongSAR;
+
+    //<inheritdoc/>
+    public string Name { get; } = "Hong Kong";
+
+    //<inheritdoc/>
+    public string OfficialName { get; } = "Hong Kong Special Administrative Region of China";
+
+    //<inheritdoc/>
+    public string NativeName => "香港";
+
+    //<inheritdoc/>
+    public string Capital { get; } = "Hong Kong";
+
+    //<inheritdoc/>
+    public int NumericCode { get; } = 344;
+
+    //<inheritdoc/>
+    public string ISO2Code { get; } = "HK";
+
+    //<inheritdoc/>
+    public string ISO3Code { get; } = "HKG";
+
+    //<inheritdoc/>
+    public string[] CallingCode { get; } = ["+852"];
+
+    //<inheritdoc/>
+    public IEnumerable<State> States => []; // No subdivisions
+}
diff --git a/src/World.Net/Helpers/CountryInitializer.cs b/src/World.Net/Helpers/CountryInitializer.cs
index 178fefe..10f312d 100644
--- a/src/World.Net/Helpers/CountryInitializer.cs
+++ b/src/World.Net/Helpers/CountryInitializer.cs
@@ -97,6 +97,12 @@ public static Dictionary<CountryIdentifier, ICountry> Initialize()
             { CountryIdentifier.Guatemala, new Guatemala() },
             { CountryIdentifier.GuernseyAndAlderney, new Guernsey() },
             { CountryIdentifier.Guinea, new Guinea() },
+            { CountryIdentifier.GuineaBissau, new GuineaBissau() },
+            { CountryIdentifier.Guyana, new Guyana() },
+            { CountryIdentifier.Haiti, new Haiti() },
+            { CountryIdentifier.HeardIslandAndMcDonaldIslands, new HeardIslandAndMcDonaldIslands() },
+            { CountryIdentifier.Honduras, new Honduras() },
+            { CountryIdentifier.HongKongSAR, new HongKong() },
             { CountryIdentifier.Iraq, new Iraq() },
             { CountryIdentifier.Ireland, new Ireland() },
             { CountryIdentifier.Israel, new Israel() },