The roof of the Art Gallery was created in Metalliko, three kilometers west of the city of Kilkis, starting its operation in 2011. It hosts the collection of works of the Macedonian Art Society "Art" of Kilkis, which come from offers of artists. The collection includes paintings of all styles, sculptures, constructions, and engravings, numbering more than 350 works, of which 165 are on display. In the area of ​​the Gallery, there are free guided tours, exhibitions, presentations, educational workshops, and seminars and it is generally considered an important cultural space of Kilkis, with rich activity.