The Williamsland Territory (simply Williamsland) is an island and Special Region of the Greater Canadian Federation. Since 1946, it has been the official reservation for the Canadian Jewry, today numbering around 190,000. The island forms part of the Canadian Arctic Archipelago, with an area of around 12,516 km2. It is the 61st largest island in the world. Formerly known as King William Island, Williamsland was declared Jewish territory by the Jewry Act of 1946.