OSTRAVAR Aréna (previously ČEZ Aréna, due to sponsorship reasons) is an indoor arena used mainly for ice hockey matches, in Vítkovice, Ostrava, Czech Republic. It opened in 1986 and underwent a €23.3 million renovation in 2003–2004. The capacity of the arena is 9,779, plus 16 skyboxes, making it the fourth-largest hockey venue in the Czech Republic. The rink can be converted into seating for concerts, increasing the capacity to 12,500. In May 2011, Ostrava's Deputy Mayor for Investment, Jiří Srba, announced a plan to invest 10 million CZK in the stadium in the same year.