Ateneum is an art museum in Helsinki, Finland and one of the three museums forming the Finnish National Gallery. It has the biggest collections of classical art in Finland. Previously the Ateneum building also housed the Finnish Academy of Fine Arts and University of Art and Design Helsinki, but has solely been a museums since 1991. The collections of Ateneum include extensively Finnish art all the way from 18th-century rococo portraiture to the experimental art movements of the 20th century. The collections also include some 650 international works of art.