British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, forests, lakes, mountains, inland deserts and grassy plains. It borders the province of Alberta to the east, the territories of Yukon and the Northwest Territories to the north, and the US states of Washington, Idaho and Montana to the south and Alaska to the northwest. With an estimated population of 5.3 million as of 2022, it is Canada's third-most populous province. The capital of British Columbia is Victoria and its largest city is Vancouver.