Cottbus (German pronunciation:[ˈkɔtbʊs]; Lower Sorbian: Chóśebuz; Polish: Chociebuż; Czech: Chotěbuz) is a university city and the second-largest city in Brandenburg, Germany. Situated around 125km (78mi) southeast of Berlin, on the River Spree, Cottbus is also a major railway junction with extensive sidings/depots.