Rettbach (Rot) is a river of Thuringia, a federal state in the central of which country?
Thuringia The Free State of Thuringia ( ; German: "Freistaat Thüringen" , ] ) is a federal state in central Germany.
Gotha (district) Gotha (German: "Landkreis Gotha") is a Kreis (district) in the middle of Thuringia, Germany. Neighboring districts are Unstrut-Hainich, Sömmerda, the district-free city Erfurt, Ilm-Kreis, Schmalkalden-Meiningen and the Wartburgkreis.