Bayer 04 Leverkusen , officially known as Bayer 04 Leverkusen Fußball GmbH ( German: [ˌbaɪ̯ɐ ˈleːvɐˌkuːzn̩] ) and commonly known as Bayer Leverkusen or simply Leverkusen , is a German professional football club based in Leverkusen , North Rhine-Westphalia. [ 7 ] It competes in the Bundesliga , the top tier of German football , and plays its home matches at the BayArena . [ 3 ] [ 8 ]
