The Naicatchewenin First Nation, also known as the Anishinaabeg of Nagaajiwanaang and formerly known as Northwest Bay First Nation, inhabited a region in Ontario that was cited in the Northwest Angle Treaty of 1873, also known as Treaty 3. Nagaajiwanaang is located approximately 60 kilometres (37 mi) northwest of Fort Frances, with the community of Devlin 50 kilometres (31 mi) to the south on Highway 11. The city of Thunder Bay lies 420 kilometres (260 mi) to the east and Winnipeg is 450 kilometres (280 mi) to the northwest.