Bautzen (pronounced) is a hill-top town in eastern Saxony, Germany, and administrative centre of the eponymous district. It is located on the Spree River. As of 2013, its population is 39,607. Asteroid 11580 Bautzen is named in honour of the city. Bautzen is often regarded as the unofficial, but historical capital of Upper Lusatia, and it is the most important cultural centre of the Sorbs, a Slavic people.