Tübingen is one of the four Administrative Regions (
Regierungsbezirke) of Baden-Württemberg, Germany, located in the south-east of the state. It covers most of the German shore of
Lake Constance 
(
Bodensee), and also the beginning of the Danube River valley. It is sub-divided into the three regions (
Regionalverband): Neckar-Alb, Donau-Iller and Bodensee-Oberschwaben. Donau-Iller also includes three districts and one city of Bavaria.
Economy
The gross domestic product (GDP) of the region was €80.8 billion in 2018, accounting for 2.4% of German economic output. GDP per capita adjusted for purchasing power was €40,100 or 133% of the EU27 average in the same year.