Erfurt
Erfurt is located in the wide valley of the Gera and, with approximately 215,000 inhabitants, is the largest city and state capital of Thuringia. Landmarks include the ensemble of Mariendom and Severikirche on the Domberg, reachable via over 70 cathedral steps, and the Krämerbrücke, Europe's longest bridge continuously built with houses.Martin Luther studied here from 1501 to 1505. Since September 17, 2023, the city's Jewish-medieval heritage, with Alte Synagoge, Mikwe, and Steinernes Haus, has been part of the UNESCO World Heritage. Above the old town towers the baroque Petersberg Citadel.