The State Museum of Contemporary Art-Costakis Collection (SMCA) was founded in 1997 and is housed in the northeast wing of the Moni Lazariston building complex in Thessaloniki, Greece. The core of the museum's collections and exhibitions is the George Costakis Collection, which consists of 1277 artworks (paintings, sketches, constructions, china, etc.) of the most significant artists of the Russian Avant-Garde period. The Museum also owns an interesting collection of works by contemporary artists.

In its years of operation, the SMCA has developed extensive exhibition activities through the holding of large exhibitions, collaborations/co-production of exhibitions with modern and contemporary art museums in the country and abroad. In addition, the Museum is the organising institution of the Thessaloniki Biennale of Contemporary Art, which is being organised since 2007 in Thessaloniki. The SMCA is funded by the Hellenic Ministry of Culture and Tourism.