Metro Vancouver has 23 members: 21 municipalities, one Treaty First Nation and one Electoral Area. The Electoral Area is the unincorporated area of the regional district.
​Metro Vancouver acts as the local government for Electoral Area A, providing certain key services. Electoral Area A occupies approximately 818 Km2 of land and includes the following communities and inhabited areas:
- Lands along Howe Sound, located between the District of West Vancouver and Squamish-Lillooet Regional District (excluding the Village of Lions Bay). This includes the communities of Ocean Point, Strachan Point and Montizambert Wynd.
- Bowyer and Passage Islands (in Howe Sound)
- Northern portion of Indian Arm
- Boulder Island and Carraholly Point (at the southern end of Indian Arm)
- West side of Pitt Lake
- Barnston Island (in the Fraser River, west of Golden Ears Bridge)
- University Endowment Lands (includes most of Pacific Spirit Regional Park)
- ​University of British Columbia (including University Neighbourhoods)
The area varies from urban, suburban, seasonal use, to rural and remote.