What state of Germany was the 2012–13 DFB-Pokal defending champions from?
2012–13 DFB-Pokal: The 2012–13 DFB-Pokal was the 70th season of the annual German football cup competition. 2012–13 DFB-Pokal:  The defending champions were Borussia Dortmund, but they were beaten by Bayern Munich in the quarter-finals. Borussia Dortmund: Ballspielverein Borussia 09 e.V. Dortmund, commonly known as Borussia Dortmund ] , BVB, or simply Dortmund, is a German sports club based in Dortmund, North Rhine-Westphalia ("Borussia" is the Latin equivalent of Prussia).
North Rhine-Westphalia