Artis, short for Natura Artis Magistra (Latin for "Nature is the teacher of art"), is a zoo in the centre of Amsterdam. It is the oldest zoo in the Netherlands. In addition to the zoo, Artis has an aquarium, a planetarium, a geological museum, and a zoological museum.
The zoo is a member of the Dutch Zoo Federation (NVD), the European Association of Zoos and Aquaria (EAZA), the International Species Information System (ISIS), and the World Association of Zoos and Aquariums (WAZA).
The zoo was founded in 1838 by Gerard Westerman, J.W.H. Werlemann and J.J. Wijsmuller (also known as the three Ws). It was initially open only to members. Starting in 1851 it was opened to the public during the month of September. In 1920 it was opened year-round to the public, but September remains discount month.