Claim: Borussia Dortmund is German.

Ballspielverein Borussia 09 e.V. Dortmund , commonly known as Borussia Dortmund -LSB- boˈʁʊsi̯aː ˈdɔʁtmʊnt -RSB- , BVB , or simply Dortmund , is a German sports club based in Dortmund , North Rhine-Westphalia -LRB- Borussia is the Latin equivalent of Prussia -RRB- . The football team is part of a large membership-based sports club with more than 145,000 members , making BVB the second largest sports club by membership in Germany . Dortmund plays in the Bundesliga , the top tier of the German football league system . Dortmund is one of the most successful clubs in German football history .   Borussia Dortmund was founded in 1909 by eighteen football players from Dortmund . Borussia Dortmund have won eight German championships , four DFB-Pokals , five DFL-Supercups , one UEFA Champions League , one UEFA Cup Winners ' Cup , and one Intercontinental Cup . Their Cup Winners ' Cup win in 1966 made them the first German club to win a European title .   Since 1974 , Dortmund have played their home games at Westfalenstadion , named after its home region of Westphalia . The stadium is the largest in Germany and Dortmund has the highest average attendance of any association football club in the world . Borussia Dortmund 's colours are black and yellow , giving the club its nickname die Schwarzgelben . Dortmund holds a long-standing rivalry with Ruhr neighbours Schalke 04 , known as the Revierderby . In terms of Deloitte 's annual Football Money League , Dortmund is the second biggest sports club in Germany and the 11th biggest football team in the world .