High Quality Content by WIKIPEDIA articles! Arena Armeec Sofia is an indoor arena located in Sofia, Bulgaria. It has a seating capacity between 12,410 and 19,000 spectators depending on its use. It hosts basketball, volleyball, handball, wrestling, weightlifting, fencing and gymnastics competitions as well as concerts. First major concert in the arena was held by Jean Michel Jarre followed by artists such as Sade and Tom Jones.