A borough constituency in Northern Ireland.
Geographic code: N05000003
Notional elections
Constituency area formation
Belfast South and Mid Down (start date dependent on next dissolution) was formed from:
- Part of Belfast South (13 April 2010 - )
- Part of Strangford (13 April 2010 - )
- Part of Lagan Valley (13 April 2010 - )
- Part of Belfast West (13 April 2010 - )