West Austin occupies a much smaller area due to the bend of the Colorado River.
The area is bounded by Mopac Expressway (SL 1) to the east, the Colorado River to the south and west, and Northland Drive (RM 2222) to the north.
Southeastern Austin between the Colorado River and Ben White Boulevard is generally called the Riverside area.
Neighborhoods east of Menchaca Road and south of Ben White Boulevard.
Neighborhoods west of Menchaca Road and south of Ben White Boulevard and Capital of Texas Highway.