Erfurt is the state capital of the Free State Thuringia. It is also the largest city in Thuringia and next to it Jena and Gera one of the three regional centers in the country. The most important institutions besides the state authorities are the Federal Labor Court, the University and University of Applied Sciences Erfurt and the Catholic Bishopric of Erfurt, whose cathedral is the Erfurt cathedral which, in addition to the Krämerbrücke, is one of the main sights of the city. In addition, the city has an almost three square kilometer medieval old town center with about 25 parish churches, the baroque Petersberg Citadel, the oldest surviving synagogue in Central Europe and numerous half-timbered and middle-class houses.
The city's economy is shaped by administration and service. Besides, is Erfurt Location of various companies in mechanical and plant engineering as well as in microelectronics. Furthermore, due to the low wage costs and the central location in Germany, an important logistics industry has been established. Erfurt is after Leipzig the city with the second largest fair in the east German countries. Furthermore, Erfurt with the main station is an important railway junction in passenger transport. Erfurt is also known for its horticulture (egapark, Deutsches Gartenbaumuseum, Bundesgartenschau 2021) and as a media center (seat of the children's channel KiKA and several radio stations and daily newspapers). The city lies in the wide valley of the Gera in the hilly, intensively used southern region Thuringian basin.