Tübingen, an old university city on the River Neckar in Baden-Württemberg in Germany, functions as the seat of the Tübingen administrative region, as well as of the district of Tübingen. In 2002 the city had 82,885 inhabitants, including circa 20,000 students. Geographical location: 48° 30' North, 9° 45' East. Tübingen is best described as a mixture of an old and distinguished academic flair including liberal and leftist politics, with rural, agricultural and typical Swabian elements. The city contains many picturesque buildings from previous centuries, and lies on the river Neckar.
Famous Tübingen residents include the poet Friedrich Hölderlin, Alois Alzheimer, from whom Alzheimer's disease takes its name and Friedrich Miescher, who was the first to discover DNA. Wilhelm Schickhard developed the first mechanical computer. Hegel and Johannes Kepler also studied in Tübingen.
Ann Arbor in Michigan is Tübingen's sister city in the United States of America. Other cities twinned with Tübingen are Aix en Provence (France), Monthey (Switzerland), Durham (United Kingdom), Aigle (Switzerland), Perugia (Umbria, Italy), and Petrozavodsk ( Karelia, Russia).