Oak Bay is a picturesque suburban community located on the southern tip of Vancouver Island. With a population of approximately 18,000, it forms part of the Greater Victoria urban area, and, along with 12 other municipal governments, comprises the Capital Regional District.
The municipality is bordered by the Strait of Juan de Fuca to the south, Haro Strait to the east, the District of Saanich to the north and north-west, and the City of Victoria to the south-west. Along with other adjoining bodies of water, the Strait of Juan de Fuca and Haro Strait were officially renamed the Salish Sea in 2010; however the old names are also still in use.
The geographic coordinates are: 48°25′35″N 123°19′22″W. Oak Bay occupies an area of 10.53 km2 (4.07 sq. miles) and the population density is 1710.3 per km2
The municipality operates under the provisions of the Province of British Columbia Local Government Act, which sets out all powers, duties and functions for municipal governance across the Province.