Ateneum is a prominent art museum located in Helsinki, Finland. It is part of the Finnish National Gallery and houses an extensive collection of Finnish and international art, primarily from the 18th to the 20th centuries. The museum features works by renowned artists such as Akseli Gallen-Kallela and Eero Järnefelt. The building itself is an architectural landmark, designed in the Neoclassical style and opened in 1888. Ateneum not only showcases permanent exhibitions but also hosts temporary exhibitions, educational programs, and cultural events, making it a vital center for art appreciation in Finland.