UNB is one of seven Canadian first nations that make up the Syilx Okanagan Nation (there are also Okanagan Nation Tribes in the U.S). The Syilx traditional territory covers approximately 69,000 km² in the southern interior of British Columbia and the northern part of Washington State.

Upper Nicola is located 45 km east of Merritt and 90 km south of Kamloops, British Columbia, Canada. We have eight reserves located near Nicola Lake and Douglas Lake. Our two main residential communities are located on Nicola Lake (IR #1), and at the west end of Douglas Lake (IR #3). These communities are known locally as Spaxomin (Douglas Lake) and Quilchena (Nicola Lake). The reserves comprise approximately 30,848 acres that span a range of 50 kilometers along Highway 5A and the Douglas Lake Road.