is Greater Vancouver at the northwestern end of the Fraser Lowland. Other population centers on the Canadian side include Abbotsford and Chilliwack, both part of the Fraser Valley Regional District. The population on the American side of the Lowland (the Nooksack Lowland and all the upper Sumas River basin south of Sumas) is about 200,000. It is dominated by the coastal city of Bellingham at the Lowland's southernmost tip. See also Geography of British Columbia List of physiogeographic regions of British Columbia Lower Mainland Lower Mainland Ecoregion References Geography of the Pacific Northwest Geography of British Columbia Geography of Washington (state) Lower Mainland