1. Fußball- und Sportverein Mainz 05 e. V., usually shortened to 1. FSV Mainz 05, Mainz 05, or simply Mainz, is a 1905 founded German association football club based in Mainz, Rhineland-Palatinate. 1. FSV Mainz 05 play in the Bundesliga, the top tier of the German football league system, where its main rivals are the Eintracht Frankfurt and 1. FC Kaiserslautern. In addition to the football section the 1. FSV Mainz 05 has a handball and table tennis department.