Townlands/Streets in Ballylagan (Londonderry)
- Balcymaclevennon East
- Ballyartan
- Ballylagan North
- Ballylagan South
- Ballymaclevennon West
- Ballyreagh
- Ballywillin Bog
- Blagh
- Boghill
- Carnaboy
- Carnalridge
- Cloyfin North
- Corrstown
- Craignahorn
- Crossreagh
- Danes Hill
- Drumadragh
- Dundooan
- Gate Side
- Glebe
- Glenmanus
- Inchmearing
- Island Flackey
- Islandmore Lower
- Islandmore Upper
- Killygreen Lower
- Killygreen Upper
- Loguestown
- Loughan Hill
- Louguestown
- Magheraboy
- Magheramenagh
- Slimag