The ČEZ Aréna is an indoor arena used mainly for ice hockey matches, in Ostrava-Jih, Ostrava, Czech Republic. It opened in 1986 and underwent a €23.3 million reconstruction in 2003–2004. The capacity of the arena is 9,568, plus 18 skyboxes. The rink can be converted into seating for concerts, increasing the capacity to 12,000.