| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
501  | Graiguenamanagh  Graig na Manach,Graigue,Graiguenamanagh,Graiguenamanagkh,Greignamana,Grejgnamana,Gráig na Manach,gre... | Ireland, Leinster County Kilkenny | populated place population 1,475 | N 52° 32′ 25'' | W 6° 57′ 17'' |
| 502 | Glasnevin Glas Naion,Glas Naíon,Glasnevin,Гласневин | Ireland, Leinster Dublin City | populated place population 3,633 | N 53° 22′ 42'' | W 6° 16′ 49'' |
| 503 | Glanmire Glanmire,Gleann Maghair | Ireland, Munster Cork | populated place population 8,924 | N 51° 54′ 57'' | W 8° 23′ 59'' |
504  | Galway Bay Baai fan Galway,Baai van Galway,Bae Galway,Bahia de Galway,Bahía de Galway,Baia de Galway,Baia di Ga... | Ireland, Connacht Galway | bay | N 53° 11′ 59'' | W 9° 13′ 49'' |
| 505 | Foxford Beal Easa,Béal Easa,Foxford | Ireland, Connacht County Mayo | populated place population 1,315 | N 53° 58′ 50'' | W 9° 6′ 55'' |
| 506 | Fin Lough Fen Lough,Fin,Fin Lough | Ireland, Leinster County Offaly | lake | N 53° 18′ 55'' | W 7° 56′ 50'' |
| 507 | Fethard Fethard,Fiodh Ard | Ireland, Munster County Tipperary | populated place population 1,545 | N 52° 28′ 2'' | W 7° 41′ 28'' |
| 508 | Ferns Alder Trees,Fearna,Ferns,Furns,fu en si,prms,Фернс,Фърнс,פרמס,弗恩斯 | Ireland, Leinster County Wexford | populated place population 1,415 | N 52° 35′ 18'' | W 6° 29′ 59'' |
| 509 | Ferbane An Fear Ban,An Féar Bán,Ferbane,Ferbejn,Furban,Фербейн,Фърбан | Ireland, Leinster County Offaly | populated place population 1,165 | N 53° 16′ 10'' | W 7° 49′ 37'' |
| 510 | Ennistimon Ehnnistimon,Enistimon,Enistimonas,Ennistimon,Ennistymon,Inis Diomain,Inis Díomáin,enisutimon,Енистим... | Ireland, Munster Clare | populated place population 1,045 | N 52° 56′ 41'' | W 9° 17′ 32'' |
| 511 | Enniskerry Ath na Sceire,Ehnniskerri,Eniskeris,Eniskerj,Enniskerry,anyskyry,en ni si kai li,enisukeri,Áth na Sc... | Ireland, Leinster County Wicklow | populated place population 1,889 | N 53° 11′ 33'' | W 6° 10′ 9'' |
| 512 | Enniscorthy Ehnniskorti,Eniskorti,Eniskortis,Enniscorthy,Enniscorthy - Inis Corthaidh,Enniskorti,Inis Corthaidh,... | Ireland, Leinster County Wexford | populated place population 9,709 | N 52° 30′ 3'' | W 6° 33′ 28'' |
| 513 | Enfield An Bothar Bui,An Bóthar Buí,Enfield,Innfield | Ireland, Leinster Meath | populated place population 3,239 | N 53° 24′ 51'' | W 6° 49′ 56'' |
| 514 | Edgeworthstown Edgeworthstown,Edgewortstown,Edzhuurtstaun,Edzvotstaunas,Edžvotstaunas,Etzgouorthtaoun,Meathas Troim... | Ireland, Leinster Co Longford | populated place population 2,072 | N 53° 42′ 0'' | W 7° 37′ 0'' |
| 515 | Dunshaughlin Dun Seachlainn,Dunsaulinas,Dunshaughlin,Dunshaulin,Dunshoklin,Dunšaulinas,Dún Seachlainn,Дуншаулин,Д... | Ireland, Leinster Meath | populated place population 4,035 | N 53° 30′ 45'' | W 6° 32′ 24'' |
| 516 | Dunmore East Dun Mor,Dunmore,Dunmore East,Dún Mór | Ireland, Munster Waterford | populated place population 1,808 | N 52° 9′ 3'' | W 6° 59′ 55'' |
| 517 | Dún Lúiche Dun Luiche,Dun Lukhe,Dunlewy,Dún Lúiche,Дун Лухе | Ireland, Ulster Donegal | populated place population 3,400 | N 55° 1′ 0'' | W 8° 6′ 0'' |
| 518 | Dunleer Dun Leire,Dunleer,Dún Léire | Ireland, Leinster Louth | populated place population 1,822 | N 53° 50′ 6'' | W 6° 23′ 46'' |
| 519 | Dungloe An Clochan Liath,An Clochán Liath,Danglou,Danglov,Dungloe,Dunglou,danglwy,danguro,Данглов,Данглоу,Дъ... | Ireland, Ulster Donegal | populated place population 1,164 | N 54° 57′ 4'' | W 8° 21′ 33'' |
| 520 | Duleek Damhliag,Dulecum,Duleek,Dulijk,Dulik,Dulikas,deyuriku,Дулийк,Дулик,ڈولیک,デュリーク | Ireland, Leinster Meath | populated place population 4,219 | N 53° 39′ 24'' | W 6° 25′ 9'' |
| 521 | Dromiskin Droim Ineasclainn,Dromiskin | Ireland, Leinster Louth | populated place population 1,292 | N 53° 55′ 31'' | W 6° 24′ 10'' |
| 522 | Donegal CFN,Donegal,Donegal Town,Donegol,Donigal,Doon ny Ghoal,Dun na nGall,Dungalia,Dún na nGall,Ntonenkal,... | Ireland, Ulster Donegal | populated place population 2,618 | N 54° 39′ 13'' | W 8° 6′ 40'' |
| 523 | Dollymount Cnocan Doirinne,Cnocán Doirinne,Doljmount,Dollimaunt,Dollymount,Долймоунт,Доллимаунт | Ireland, Leinster Dublin City | populated place population 5,070 | N 53° 21′ 53'' | W 6° 10′ 49'' |
| 524 | Derrybeg An Bun Beag-Doiri Beaga,An Bun Beag-Doirí Beaga,Derjbeg,Derrybeg,Doiri Beaga,Doirí Beaga,Дерйбег | Ireland, Ulster Donegal | populated place population 1,553 | N 55° 5′ 0'' | W 8° 17′ 22'' |
| 525 | Derrinturn Derrinturn,Doire an tSoirn | Ireland, Leinster Co Kildare | populated place population 1,602 | N 53° 20′ 30'' | W 6° 56′ 28'' |
| 526 | Dalkey Dalkey,Deilginis,Dolki,Долки | Ireland, Leinster Dún Laoghaire-Rathdown | populated place population 6,622 | N 53° 16′ 42'' | W 6° 6′ 1'' |
| 527 | Crossmolina Crois Mhaoiliona,Crois Mhaoilíona,Crossmolina,Krossmolina,kurosumorina,Кроссмолина,კროსმოლინა,クロスモリー... | Ireland, Connacht County Mayo | populated place population 1,044 | N 54° 6′ 0'' | W 9° 19′ 0'' |
| 528 | Crosshaven Bun an Tabhairne,Bun an Tábhairne,Crosshaven,Crosshaven - Churchbay,Crosshaven-Churchbay,Kroshavenas... | Ireland, Munster Cork | populated place population 2,577 | N 51° 47′ 54'' | W 8° 18′ 3'' |
| 529 | Croom Cromadh,Croom | Ireland, Munster Limerick | populated place population 1,159 | N 52° 31′ 10'' | W 8° 43′ 4'' |
530  | Croagh Patrick Croagh Patrick,Cruach Phadraig,Cruach Phádraig,Kro-Patrik,Mons Patricii,jbl krwaj patryk,ke luo pa t... | Ireland, Connacht County Mayo | mountain elevation 764m | N 53° 45′ 34'' | W 9° 39′ 29'' |
| 531 | Courtown Baile na Cuirte,Baile na Cúirte,Courtown,Courtown Harbour,Cuan Bhaile na Cuirte,Cuan Bhaile na Cúirt... | Ireland, Leinster County Wexford | populated place population 3,591 | N 52° 38′ 39'' | W 6° 13′ 44'' |
| 532 | Corrofin Cora Finne,Coradh Finne,Corofin,Corrofin,Korofin,korofin,Корофин,コロフィン | Ireland, Munster Clare | populated place population 776 | N 52° 56′ 52'' | W 9° 3′ 47'' |
| 533 | Cootehill Cootehill,Muinchille | Ireland, Ulster Cavan | populated place population 1,853 | N 54° 4′ 21'' | W 7° 4′ 55'' |
| 534 | Convoy Conmhaigh,Convoy | Ireland, Ulster Donegal | populated place population 1,526 | N 54° 51′ 39'' | W 7° 39′ 56'' |
| 535 | Collooney Collooney,Cuil Mhuine,Cúil Mhuine,Kolluni,Kolunis,koruni,Коллуни,კოლუნი,コルーニー | Ireland, Connacht County Sligo | populated place population 1,610 | N 54° 11′ 1'' | W 8° 29′ 20'' |
| 536 | Cloyne Cloyne,Cluain | Ireland, Munster Cork | populated place population 1,803 | N 51° 51′ 46'' | W 8° 7′ 28'' |
| 537 | Clonmel Clonmel,Cluain Meala | Ireland, Munster County Tipperary | seat of a second-order administrative division population 17,140 | N 52° 21′ 18'' | W 7° 42′ 14'' |
| 538 | Clones Clones,Cluain Eois,Klons,Клонс | Ireland, Ulster Monaghan | populated place population 1,885 | N 54° 11′ 0'' | W 7° 14′ 0'' |
| 539 | Clogherhead Ceann Chlochair,Clogher,Clogherhead | Ireland, Leinster Louth | populated place population 2,145 | N 53° 47′ 37'' | W 6° 14′ 15'' |
| 540 | Clare Island Clare Island,Clare uhartea,Cliara,Ile de Clare,Illa de Clare,Klehr,Oilean Chliara,Oileán Chliara,ke ... | Ireland, Connacht County Mayo | island | N 53° 48′ 17'' | W 9° 59′ 31'' |
| 541 | Claregalway Baile Chlair,Baile Chláir,Baile an Chlair,Baile an Chláir,Claregalway,Klehrgoluehj,kureagoruuei,Клэр... | Ireland, Connacht Galway | populated place population 1,248 | N 53° 20′ 19'' | W 8° 56′ 42'' |
| 542 | Clara Clara,Cloirtheach,Clóirtheach,Klara,ke la la,klara,Клара,كلارا,克拉拉 | Ireland, Leinster County Offaly | populated place population 3,242 | N 53° 20′ 33'' | W 7° 36′ 50'' |
| 543 | Charleville An Rath,An Ráth,Charleville,Rath Luirc,Rathluirc,Ráth Luirc | Ireland, Munster Cork | populated place population 3,919 | N 52° 21′ 0'' | W 8° 41′ 0'' |
| 544 | Charlestown Baile Chathail,Charlestown,NOC,Newtown-Dillon | Ireland, Connacht County Mayo | populated place population 1,033 | N 53° 57′ 51'' | W 8° 47′ 39'' |
| 545 | Chapelizod Chapelizod,Chejplizod,Seipeal Iosoid,Seipeal losoid,Séipéal Iosóid,chaperizoddo,qia pei li zuo de,Ча... | Ireland, Leinster Dublin City | populated place population 5,296 | N 53° 20′ 54'' | W 6° 20′ 34'' |
546  | Central Plain Central Lowland,Central Plain,Great Plain | Ireland, Connacht County Roscommon | area | N 53° 30′ 0'' | W 8° 0′ 0'' |
| 547 | Castletownbere Baile Chaisleain Bhearra,Baile Chaisleáin Bhéarra,Castletown,Castletown Bearhaven,Castletown Berehav... | Ireland, Munster Cork | populated place population 860 | N 51° 39′ 4'' | W 9° 54′ 37'' |
| 548 | Castlerea An Caislean Riabhach,An Caisleán Riabhach,Castlerea,Castlereagh | Ireland, Connacht County Roscommon | populated place population 1,992 | N 53° 46′ 21'' | W 8° 30′ 11'' |
| 549 | Castlepollard Baile na gCros,Castelpollard,Castlepollard | Ireland, Leinster County Westmeath | populated place population 1,163 | N 53° 40′ 45'' | W 7° 17′ 50'' |
| 550 | Castlemartyr Baile na Martra,Castlemartyr,Kaslmartir,kyassurumata,Каслмартир,キャッスルマーター | Ireland, Munster Cork | populated place population 1,277 | N 51° 54′ 37'' | W 8° 3′ 14'' |
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