Kurdistan is a geo-cultural region wherein the Kurds have historically formed a prominent majority population, and Kurdish culture, language, and national identity have historically been based. Contemporary use of Kurdistan refers to parts of eastern Turkey (Northern Kurdistan), northern Iraq (Southern Kurdistan), northwestern Iran (Eastern Kurdistan) and northern Syria (Western Kurdistan) inhabited mainly by Kurds. This map is an estimation of areas that have been historically populated by a Kurdish majority according to a number of historical maps and data.