| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
301  | Belturbet  Beal Tairbirt,Beltjorbet,Belturbet,Beul Tairbeirt,Béal Tairbirt,Белтурбет,Белтёрбет,ბელტურბეტი | Ireland, Ulster Cavan | populated place population 1,369 | N 54° 6′ 0'' | W 7° 27′ 0'' |
| 302 | Belmullet BLY,Beal An Mhuirthead,Beal an Mhuirthead,Belmaletas,Belmallet,Belmulet,Belmuliet,Belmullet,Béal An ... | Ireland, Connacht County Mayo | populated place population 1,019 | N 54° 13′ 30'' | W 9° 59′ 27'' |
303  | Belhavel Lough Belhavel Lough | Ireland, Connacht Leitrim | lake | N 54° 12′ 38'' | W 8° 11′ 36'' |
304  | Baurtregaum Barr Tri gCom,Barr Trí gCom,Baurtregaum,Baurtregaun,jbl bawrtryjawm,Бауртрегаун,جبل باورتريجاوم | Ireland, Munster Co Kerry | mountain elevation 851m | N 52° 12′ 25'' | W 9° 49′ 46'' |
| 305 | Lough Barra Loch Beara,Lough Barra | Ireland, Ulster Donegal | lake | N 54° 57′ 21'' | W 8° 6′ 17'' |
| 306 | Bantry BYT,Bantri,Bantris,Bantry,Beanntrai,Beanntraí,baenteuli,ban te li,bantori,bantry,Бантри,بانتری,ბანტრ... | Ireland, Munster Cork | populated place population 2,722 | N 51° 40′ 48'' | W 9° 27′ 9'' |
| 307 | Lough Bane An Loch Ban,An Loch Bán,Lough Bane | Ireland, Leinster Meath | lake | N 53° 41′ 14'' | W 7° 10′ 13'' |
| 308 | Bandon Bandan,Bandon,Bandonas,Bandun,Droichead na Bandan,Droichead na Bandon,ban dun,bandon,bandoni,bandwn,... | Ireland, Munster Cork | populated place population 6,957 | N 51° 44′ 49'' | W 8° 44′ 33'' |
| 309 | Ballyshannon Balishanun,Ballishannon,Ballyshannon,Beal Atha Seanaidh,Béal Átha Seanaidh,balishenoni,Балишанън,Бал... | Ireland, Ulster Donegal | populated place population 2,299 | N 54° 30′ 0'' | W 8° 11′ 0'' |
| 310 | Ballynahinch Lake Ballynahinch Lake,Ballynahinch Lough | Ireland, Connacht Galway | lake | N 53° 28′ 0'' | W 9° 50′ 0'' |
| 311 | Ballycuirke Lough | Ireland, Connacht Galway | lake | N 53° 19′ 40'' | W 9° 9′ 22'' |
| 312 | Ballybofey Balibofis,Baliboufi,Ballibofi,Ballybofey,Bealach Feich,Bealach Féich,bai lei bo yi,baribofei,blybwpy... | Ireland, Ulster Donegal | populated place population 4,852 | N 54° 48′ 0'' | W 7° 47′ 0'' |
| 313 | Ballinrobe Baile an Roba,Baile an Ròba,Baile an Róba,Balinrobas,Balinrobe,Ballinrob,Ballinrobe,ba lin luo bu,ba... | Ireland, Connacht County Mayo | populated place population 2,786 | N 53° 38′ 0'' | W 9° 14′ 0'' |
| 314 | Ballincollig Baile an Chollaigh,Ballincollig,Ballinkollig,ba lin ke li ge,balynkwlyg,Баллинколлиг,بالینکولیگ,巴林科利... | Ireland, Munster Cork | populated place population 18,621 | N 51° 53′ 0'' | W 8° 35′ 0'' |
| 315 | Ballinasloe Balinaslou,Ballinaslo,Ballinasloe,Beal Atha na Sluaighe,Beeal Aah ny Sluigh,Béal Átha na Sluaighe,ba... | Ireland, Connacht Galway | populated place population 6,662 | N 53° 19′ 39'' | W 8° 13′ 10'' |
| 316 | Balbriggan Baile Brigin,Baile Brigín,Balbrigan,Balbriganas,Balbriggan,Balmprinkan,ba er bu li gen,balbrigani,ba... | Ireland, Leinster Fingal | populated place population 21,722 | N 53° 36′ 30'' | W 6° 10′ 59'' |
| 317 | Lough Atorick Lough Atorick | Ireland, Munster Clare | lake | N 53° 0′ 58'' | W 8° 32′ 47'' |
| 318 | Athy Adaj,Ataj,Athy,Baile Atha I,Baile Átha Í,atai,Адай,Атай,Атај,ათაი | Ireland, Leinster Co Kildare | populated place population 9,677 | N 52° 59′ 29'' | W 6° 58′ 49'' |
| 319 | Athenry Aah yn Ree,Adunraj,Atenraj,Atenris,Athenria,Athenry,Athenry - Baile Atha an Ri,Baile Atha an Ri,Bail... | Ireland, Connacht Galway | populated place population 4,445 | N 53° 17′ 47'' | W 8° 44′ 35'' |
| 320 | Lough Atedaun Lough Atedaun | Ireland, Munster Clare | lake | N 52° 56′ 41'' | W 9° 2′ 44'' |
| 321 | Ashbourne Ashborn,Ashbourne,Cill Dheaglain,Cill Dhéagláin,Ашборн | Ireland, Leinster Meath | populated place population 12,679 | N 53° 30′ 41'' | W 6° 23′ 53'' |
| 322 | Lough Arrow Loch Arbhach,Lough Arrow | Ireland, Connacht County Sligo | lake | N 54° 3′ 50'' | W 8° 19′ 30'' |
| 323 | Ardee Ardee,Ardi,Baile Atha Fhirdhia,Baile Átha Fhirdhia,adi,ardi,Ārdī,Арди,არდი,アーディー | Ireland, Leinster Louth | populated place population 4,928 | N 53° 51′ 35'' | W 6° 32′ 26'' |
| 324 | Ardderry Lough Ardderry Lough | Ireland, Connacht Galway | lake | N 53° 27′ 0'' | W 9° 31′ 0'' |
| 325 | Annaghmore Lough Annaghmore Lough | Ireland, Connacht County Roscommon | lake | N 53° 48′ 0'' | W 8° 9′ 0'' |
| 326 | Lough Anaserd Lough Anaserd | Ireland, Connacht Galway | lake | N 53° 25′ 56'' | W 10° 5′ 43'' |
| 327 | Lough Allua Allua,Lough Allua | Ireland, Munster Cork | lake | N 51° 51′ 4'' | W 9° 10′ 22'' |
| 328 | Lough Allen Lough Allen | Ireland, Connacht Leitrim | lake | N 54° 7′ 0'' | W 8° 3′ 0'' |
| 329 | Lough Alewnaghta Alewaaghta,Lough Alewnaghta | Ireland, | lake | N 52° 58′ 8'' | W 8° 21′ 30'' |
| 330 | Lough Aleck More Lough Aleck More,Lough Alickmore | Ireland, Ulster Donegal | lake | N 54° 55′ 9'' | W 8° 22′ 3'' |
| 331 | Lough Acoose Lough Acoose | Ireland, Munster Co Kerry | lake | N 52° 0′ 26'' | W 9° 48′ 42'' |
| 332 | Abbeyleix Abbeyleix,Abbilejks,Abileiksas,Mainistir Laoise,Pasjolak Abilejks,a bi lai ke si,abirishu,abylyks,Аб... | Ireland, Leinster Laois | populated place population 1,770 | N 52° 54′ 47'' | W 7° 20′ 40'' |
| 333 | Abbeyfeale Abbeyfeale,Abbifil,Abejfeale,Mainistir na Feile,Mainistir na Féile,a bi fei er,abifeiru,abyfyl,Аббиф... | Ireland, Munster Limerick | populated place population 2,023 | N 52° 22′ 53'' | W 9° 18′ 9'' |
| 334 | Youghal Eochaill,Iogalia,Jol,Joulas,Yoal,Youghal,ioli,ya ge ha,yoru,yue er,ywghl,ywgl,ywjal,Јол,Йол,יוגל,يوج... | Ireland, Munster Cork | populated place population 7,963 | N 51° 57′ 0'' | W 7° 51′ 2'' |
| 335 | Wicklow Mountains Gory Wicklow,Góry Wicklow,Meneziou Cill Mhantain,Menezioù Cill Mhantáin,Montagnes de Wicklow,Montes ... | Ireland, Leinster County Wicklow | mountains | N 53° 5′ 0'' | W 6° 20′ 0'' |
336  | County Wicklow Cill Mhantain,Cill Mhantáin,Contae Chill Mhantain,Contae Chill Mhantáin,County Wicklow,Wicklow | Ireland, Leinster County Wicklow | second-order administrative division population 142,425 | N 53° 0′ 0'' | W 6° 25′ 0'' |
| 337 | Wicklow Cill Maintain,Cill Maintainn,Cill Maintáinn,Cill Manntein,Cill Manntéin,Cill Mantan,Cill Mhanntain,C... | Ireland, Leinster County Wicklow | seat of a second-order administrative division population 14,048 | N 52° 58′ 30'' | W 6° 2′ 58'' |
| 338 | County Wexford Contae Loch Garman,County Wexford,Wexford | Ireland, Leinster County Wexford | second-order administrative division population 149,722 | N 52° 30′ 0'' | W 6° 40′ 0'' |
| 339 | Wexford Loch Garman,Wexford | Ireland, Leinster County Wexford | seat of a second-order administrative division population 19,913 | N 52° 20′ 3'' | W 6° 27′ 27'' |
| 340 | Westport Caair ny Mart,Cathair na Mart,Uehstport,Uestport,Westport,uesutopoto,weseuteupoteu,Уестпорт,Уэстпорт... | Ireland, Connacht County Mayo | populated place population 6,198 | N 53° 48′ 0'' | W 9° 31′ 0'' |
| 341 | County Westmeath Contae na hIarmhi,Contae na hIarmhí,County Westmeath,Westmeath | Ireland, Leinster County Westmeath | second-order administrative division population 88,770 | N 53° 30′ 0'' | W 7° 30′ 0'' |
| 342 | County Waterford Contae Phort Lairge,Contae Phort Láirge,County Waterford,Port Lairge,Port Láirge,Waterford | Ireland, Munster County Waterford | historical second-order administrative division population 67,063 | N 52° 15′ 0'' | W 7° 30′ 0'' |
| 343 | Lough Beagh Lough Beagh,Lough Veagh | Ireland, Ulster Donegal | lake | N 55° 2′ 18'' | W 7° 58′ 18'' |
| 344 | Urlaur Lough Urlaur Lough | Ireland, Connacht County Mayo | lake | N 53° 51′ 7'' | W 8° 45′ 10'' |
| 345 | Tullow An Tulach,Tallou,Talou,Tullow,Таллоу,ٹولئو,ტალოუ | Ireland, Leinster Carlow | populated place population 4,673 | N 52° 48′ 1'' | W 6° 44′ 13'' |
| 346 | Tullamore Talamor,Talamoras,Tallamor,Tulach Mhor,Tulach Mhór,Tulamor,Tullamore,ta la mo er,taramoa,teolleomo-e... | Ireland, Leinster County Offaly | seat of a second-order administrative division population 11,575 | N 53° 16′ 26'' | W 7° 29′ 20'' |
| 347 | Tramore Tra Mhor,Tramor,Tramoras,Tramore,Trá Mhór,te la mo er,toramoa,tramwr,Трамор,טראמור,ترامور,ٹریمور,トラモ... | Ireland, Munster Waterford | populated place population 10,381 | N 52° 9′ 44'' | W 7° 9′ 8'' |
| 348 | South Tipperary South Riding,Tipperary County South Riding,Tipperary South Riding | Ireland, Munster South Tipperary | historical second-order administrative division population 88,432 | N 52° 25′ 0'' | W 7° 50′ 0'' |
| 349 | North Tipperary North Riding,Tipperary County North Riding,Tipperary North Ridin | Ireland, Munster North Tipperary | historical second-order administrative division population 70,322 | N 52° 45′ 0'' | W 7° 50′ 0'' |
| 350 | Tipperary Contae Thiobraid Arann,Contae Thiobraid Árann,County Tipperary,Tiobraid Arann,Tiobraid Árann,Tippera... | Ireland, Munster County Tipperary | second-order administrative division population 159,553 | N 52° 40′ 0'' | W 7° 50′ 0'' |
by