As Lower Mainland (German Lower mainland ) the region is referred to Vancouver in the south of the Canadian province of British Columbia. It includes the entire metropolitan area Metro Vancouver and parts of the adjacent Fraser Valley Regional District. According to the 2001 census, over 2.2 million people live in the region. 16 of the 30 most populous municipalities in the province are located here.
The term Lower Mainland was never actually used for official purposes, but since the earliest documented European settlement in everyday language in use to denote that densely populated area on the lower reaches of the Fraser River, located between the North Shore Mountains to the north and the border to the United States is in the south.
Lower Mainland is also the name for a limited of the Coast Mountains and the Cascade Range ecoregion that. Has a much warmer and wetter climate than the north and eastern areas of British Columbia