Westminster Abbey is a community of Benedictine monks in Mission, British Columbia, established in 1939 from the Abbey of Mount Angel, Oregon. The abbey is home to the Seminary of Christ the King and is a member of the Swiss American Congregation within the Benedictine Confederation.

Mission is a city in the Lower Mainland of the province of British Columbia, Canada. It was originally incorporated as a district municipality in 1892, growing to include additional villages and rural areas over the years, adding the original Town of Mission City, long an independent core of the region, in 1969. It is bordered by the city of Abbotsford to the south and the city of Maple Ridge to the west. To the east are the unincorporated areas of Hatzic and Dewdney.