Atrium Optima is the largest shopping center in Košice, but also in the whole of Eastern Slovakia. It is located in the South city ​​district and was built in the years 2001 - 2002, its opening took place on May 29, 2002. Atrium Optima has since undergone several reconstructions and three extensions, after which the total leasable area reached 53,300 sqm, which ranks it 5th. in the ranking of the largest shopping centers in Slovakia.