Tate Modern is a modern art gallery located in London, England. It is Britain's national gallery of international modern art and forms part of the Tate group (together with Tate Britain, Tate Liverpool, Tate St Ives and Tate Online). It is the most-visited modern art gallery in the world, with around 4.7 million visitors per year. It is based in the former Bankside Power Station, in the Bankside area of Central London.