Borussia Dortmund is a German football club founded in 1909. It plays in the Bundesliga, the first division of the German championship. The club is based in Dortmund, North Rhine-Westphalia, and plays its home matches at Signal Iduna Park, which can accommodate up to 81 spectators. Borussia Dortmund has won eight German league titles and four German Cups. It has also reached two Champions League finals, in 000 and 1997. The club is known for its passionate fan base, which is called the "Yellow Wall". Borussia Dortmund is a major player in German football and is considered one of the biggest clubs in Europe.