Borussia Dortmund is a sports club in Germany.
Borussia Dortmund . Dortmund plays in the Bundesliga , the top tier of the German football league system . Borussia Dortmund 's colours are black and yellow , giving the club its nickname die Schwarzgelben . Dortmund ( [ ˈdɔɐ̯tmʊnt ] ; Düörpm [ [ ˈdyːœɐ̯pm̩ ] ] ; Tremonia ) is an independent city in North Rhine-Westphalia , Germany . Westphalia ( [ wɛstˈfeɪliə ] Westfalen [ vɛstˈfaːlən ] ) is a region in northwestern Germany and one of the three historic parts of the state of North Rhine-Westphalia .