FSV Mainz 05, based in Mainz, Germany, is a professional soccer club that competes in the Bundesliga, the top tier of German football. The club was founded in 1905 and has a rich history. Mainz 05 has experienced both success and challenges throughout the years. They have had several stints in the top division, with their most recent promotion occurring in 2009. The club's home venue is the Opel Arena, which has a seating capacity of over 34,000. Mainz 05 is affectionately known as "Die Nullfünfer," which translates to "The Zero-Fivers," a reference to the club's founding year. Despite not having won any major titles, Mainz 05 has established itself as a competitive team in German football.