Góry Lead-Silver-Zinc Mine and its Underground Water Management System, located mostly in the neighboring city of Tarnowskie Góry, but also partly in Bytom, was included on the UNESCO World Heritage List. Districts The city of Bytom is divided into 12 districts (Polish: Dzielnice), year of inclusion within the city limits in brackets: Śródmieście (lit. city centre/downtown) Rozbark (1927) Bobrek (1951) Karb (1951) Łagiewniki (1951) Miechowice (1951) Szombierki (1951) Górniki (1975) Osiedle gen. Jerzego Ziętka (1975), also known as Sójcze Wzgórze Stolarzowice (1975) Stroszek (1975) Sucha Góra (1975) Radzionków with Rojca (currently a district of Radzionków) were located within the city limits of Bytom from 1975 until 1997. Economy Trade is one of the main pillars of the economy of Bytom. Being a city with long traditions of commercial trade, Bytom is fulfilling its new postindustrial role. In the centre of Bytom, and mainly around Station Street and the Market Square, is the largest concentration of registered merchants in the county. In 2007, Bytom and its neighbours created the Upper Silesian Metropolitan Union, the largest urban centre in Poland. Public transport The tram routes are operated by Silesian Interurbans Tramwaje Śląskie S.A Sport Bytom is home to Polonia Bytom which has both a football and an ice hockey team (TMH Polonia Bytom). Its football team played in the Ekstraklasa from 2007 to 2011, winning it twice in 1954 and in 1962. The Szombierki district is home to another former Polish champion Szombierki Bytom which won the title in 1980, and is one of the oldest clubs in the region. Culture Bytom's cultural venues include: Silesian Opera – ul. Moniuszki 21/23 (Town's Public Library) Dance Theatre Rozbark in Bytom Bytomskie Centrum Kultury (Bytom Cultural Centre) Kronika – Center of modern art City Choir of St. Grzegorz Wielki Among Bytom's art galleries are: Galeria Sztuki Użytkowej Stalowe Anioły, Galeria "Rotunda" MBP, Galeria "Suplement", Galeria "Pod Czaplą", Galeria "Platforma", Galeria "Pod Szrtychem", Galeria Sztuki "Od Nowa 2", Galeria SPAP "Plastyka" – Galeria "Kolor", Galeria "Stowarzyszenia.Rewolucja.Art.Pl", and Galeria-herbaciarnia "Fanaberia". Festivals Annual International Contemporary Dance Conference and Performance Festival Theatromania – Theatre Festival Bytom Literary Autumn Festival of New Music Education The list of Bytom universities includes: Silesian University of Technology – Faculty of Transport Medical University of Silesia Polish Japanese Institute of Information Technology Wyższa Szkoła Ekonomii i Administracji Secondary schools: I Liceum Ogólnokształcące im. Jana Smolenia II Liceum Ogólnokształcące im. Stefana Żeromskiego IV Liceum