Ostrava Aréna (previously CEZ 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 9,568, plus 18 skyboxes, making it the fourth-largest hockey venue in the Czech Republic.