Northwest Territories April 1, 1999, when the territory was subdivided to create Nunavut to the east, via the "Nunavut Act" and the "Nunavut Land Claims Agreement". While Nunavut is mostly Arctic tundra, the Northwest Territories has a slightly warmer climate and is both boreal forest (taiga), and tundra, and its most northern regions form part of the Canadian Arctic Archipelago. The Northwest Territories is bordered by Canada's two other territories, Nunavut to the east and Yukon to the west, and by the provinces of British Columbia, Alberta, and Saskatchewan to the south. The name is descriptive, adopted by the British government during
2011 Yukon general election district boundaries for this election. The committee decided to increase the number of seats in the territory to 19. Yukon now matches the other territorial assemblies in the Northwest Territories and Nunavut in terms of the number of seats. The rural districts outside of the capital city of Whitehorse remained unchanged with the exception of Mount Lorne and Southern Lakes which were merged into a single district. The total number of rural districts dropped from 9 to 8. The urban ridings in Whitehorse were increased to 11 from 9. Only three districts in Whitehorse had no boundary changes, Whitehorse Centre,