A 5,000-seat indoor arena, formally renamed in honour of Husejin Smajlović, used for handball, basketball, and occasional concerts. Bosnia's national handball team plays a number of home matches here.
For visitors it is mainly worth noting that Zenica's sporting identity — particularly around football club NK Čelik (named for the steel that built the city) — is intense. A match at the adjacent stadium on a derby weekend is a genuine cultural experience.