Ireland map
- Clonalvy
- Clonard
- Clonbur
- Clondalkin
- Clondarrig
- Clonee
- Clonegal
- Clones
- Clonmany
- Clonmel
- Clonmellon
- Clonsilla
- Clonsilla
- Clontarf
- Clontibret
- Cloonacool
- Cloonboo
- Clooncan
- Cloone
- Cloonfad
- Cloonown
- Cloughjordan
- Cloyne
- Coachford
- Coan
- Cobh
- Coillte Mach
- Colbinstown
- Collinstown
- Collon
- Collooney
- Colp
- Cong
- Conna
- Connolly
- Convoy
- Coolaney
- Coolcullen
- Coole
- Coolock
- Coolrain
- Coonagh
- Cooraclare
- Cootehill
- Cootehill
- Corcreaghy
- Cork
- Cornagee
- Cornamucklagh
- Corofin
- Corrandulla
- Courtmacsherry
- Courtown
- Courtown Harbour
- Craddanstown
- Cranford
- Cratloe
- Craughwell
- Creeslough
- Crinkle
- Croghan
- Crolly
- Crookedwood
- Croom
- Cross
- Crossabeg
- Crossconnell
- Crossdoney
- Crossea
- Crosserlough
- Crosshaven
- Crosskeys
- Crossmolina
- Crosspatrick
- Crusheen
- Culdaff
- Culleens
- Cullen
- Curragh
- Curragh Camp
- Curragh West
- Curragha
- Curraheen
- Daingean
- Dalkey
- Damastown
- Davidstown
- Deerpark
- Delgany
- Delvin
- Derrinturn
- Derry
- Derrybeg
- Derrygorry
- Derrymore
- Dingle
- Donabate
- Donacarney
- Donadea
- Donaghmore
- Donard
- Donegal
- Doneraile
- Donnybrook
- Donohill
- Donore
- Donoughmore
- Doochary
- Doolin
- Doon
- Doonbeg
- Douglas
- Dowra
- Drangan
- Drimoleague
- Drinagh
- Drinagh
- Dripsey
- Drogheda
- Dromad