West Kelowna, formerly known as Westbank and colloquially known as Westside, is a city in British Columbia's Okanagan Valley. The city encompasses several distinct neighbourhoods, including Casa Loma, Gellatly, Glenrosa, Lakeview Heights, Shannon Lake, Smith Creek, Rose Valley, Westbank, and West Kelowna Estates. West Kelowna had an estimated population of 34,883 as of December 31, 2018.