state of central Germany: 6,244 sq mi (16,172 sq km); cap. Erfurt
Ger. name Thü′ringen
A historical region of central Germany south of the Harz Mountains and crossed by the Thuringian Forest, a range of low, wooded mountains. The region fell to the Franks in the 6th century AD and became a principality of the Holy Roman Empire in the 11th century.