Subdivisions project

src/Nager.Country.Subdivision/EmptySubdivisionTranslation.cs

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+using Nager.Country.Translation;
+
+namespace Nager.Country.Subdivision;
+
+public class EmptySubdivisionTranslation : ISubdivisionTranslation
+{
+	public TranslationInfo[] Translations => [];
+}

src/Nager.Country.Subdivision/ISubdivisionInfo.cs

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+namespace Nager.Country.Subdivision;
+
+public interface ISubdivisionInfo
+{
+	/// <summary>
+	/// CommonName (english)
+	/// </summary>
+	string CommonName { get; }
+	/// <summary>
+	/// ISO-3166-2 code
+	/// </summary>
+	string TextCode { get; }
+	/// <summary>
+	/// Subdivision code
+	/// </summary>
+	SubdivisionCode Code { get; }
+	/// <summary>
+	/// Alpha2Code of parent
+	/// </summary>
+	Alpha2Code ParentAlpha2Code { get; }
+}

src/Nager.Country.Subdivision/ISubdivisionProvider.cs

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+namespace Nager.Country.Subdivision;
+
+public interface ISubdivisionProvider
+{
+	IEnumerable<ISubdivisionInfo> GetSubdivisions();
+	IEnumerable<ISubdivisionInfo> GetSubdivisions( Alpha2Code alpha2Code );
+	IEnumerable<ISubdivisionInfo> GetSubdivisions( Alpha3Code alpha3Code );
+
+	ISubdivisionInfo GetSubdivision( SubdivisionCode code );
+}

src/Nager.Country.Subdivision/ISubdivisionTranslation.cs

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+using Nager.Country.Translation;
+
+namespace Nager.Country.Subdivision;
+
+/// <summary>
+/// ISubdivisionTranslation
+/// </summary>
+public interface ISubdivisionTranslation
+{
+	/// <summary>
+	/// Get all subdivision translation (different than common name) 
+	/// </summary>
+	TranslationInfo[] Translations { get; }
+}

src/Nager.Country.Subdivision/ISubdivisionTranslationProvider.cs

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+using Nager.Country.Translation;
+
+namespace Nager.Country.Subdivision;
+
+public interface ISubdivisionTranslationProvider
+{
+	ISubdivisionTranslation GetSubdivisionTranslation( SubdivisionCode code );
+
+	string GetSubdivisionTranslatedName( SubdivisionCode code, LanguageCode languageCode );
+
+	string GetSubdivisionTranslatedOrCommonName( SubdivisionCode code, LanguageCode languageCode );
+}

src/Nager.Country.Subdivision/Nager.Country.Subdivision.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFrameworks>netstandard2.0;netstandard2.1;net6;net48</TargetFrameworks>
+        <Nullable>disable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\Nager.Country.Translation\Nager.Country.Translation.csproj" />
+        <ProjectReference Include="..\Nager.Country\Nager.Country.csproj" />
+    </ItemGroup>
+
+</Project>