The Mont des Arts or Kunstberg  meaning “Hill/Mount of the Arts”, is an urban complex and historic site in central Brussels, Belgium, including the Royal Library of Belgium, the National Archives of Belgium, the Square – Brussels Meeting Centre, and a public garden.

This site is located between the Rue Montagne de la Cour/Hofbergstraat and the Place Royale/Koningsplein in its “upper” part, and the Boulevard de l’Empereur/Keizerslaan and the Place de l’Albertine/Albertinaplein in its “lower” part. It is served by Brussels Central Station.