A county constituency in Northern Ireland established as part of the 2010 boundary set.
Geographic code: N06000009
Elections
Constituency area formation
Lagan Valley (13 April 2010 - ) formed:
- Part of Lagan Valley (start date dependent on next dissolution)
- Part of Belfast West (start date dependent on next dissolution)
- Part of Belfast South and Mid Down (start date dependent on next dissolution)
- Part of South Antrim (start date dependent on next dissolution)
- Part of South Down (start date dependent on next dissolution)