Description of Turkey
Indigenous Anatolian peoples were invaded by Indo-European Hittites, forming empire ca. 1900 BCE; ruled by Persians 6th century BCE, then Greeks, then Romans 1st century BCE; settled by Turks from central Asia 11th century; was heart of Ottoman Empire 13th-19th centuries; official language is Turkish.
— The Getty Thesaurus of Geographic Names (TGN)