The Stedelijk Museum Amsterdam, colloquially known as the Stedelijk, is a museum for modern art, contemporary art, and design. The 19th century building was designed by Adriaan Willem Weissman and the 21st century wing with the current entrance was designed by Benthem Crouwel Architects. It is located at the Museum Square in the borough Amsterdam South, where it is close to the Van Gogh Museum, the Rijksmuseum, and the Concertgebouw. The collection comprises modern and contemporary art and design from the early 20th century up to the 21st century. It features artists such as Vincent van Gogh, Wassily Kandinsky, Ernst Ludwig Kirchner, Marc Chagall, Henri Matisse, Jackson Pollock, Karel Appel, Andy Warhol, Willem de Kooning, Marlene Dumas, Lucio Fontana, and Gilbert & George. In 2015, the museum had an estimated 675,000 visitors.