1974–1983: The County Borough of Bournemouth wards of Boscombe East, Boscombe West, King's Park, Moordown North, Moordown South, Queen's Park, Southbourne, and West Southbourne.
1983–1997: The Borough of Bournemouth wards of Boscombe East, Boscombe West, Central, East Cliff, Littledown, Moordown, Muscliff, Queen's Park, Southbourne, Strouden Park, and West Southbourne.
1997–2010: The Borough of Bournemouth wards of Boscombe East, Boscombe West, Littledown, Moordown, Muscliff, Queen's Park, Southbourne, Strouden Park, and West Southbourne.
For the 2010 general election, the western boundary of the constituency changed so that it aligned with ward boundaries (which had changed since the constituency boundary changes of the 1990s). The main changes saw East Cliff brought into the constituency with the loss of part of east Winton.