| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Cahefurvan | city | Gaillimh | Ireland | 53.2325 | -8.7752778 | 88 | 2881 |
| Caher | city | Gaillimh | Ireland | 53.2494444 | -9.35 | 13 | 1137 |
| Caher | city | Gaillimh | Ireland | 53.1030556 | -8.2480556 | 272 | 2386 |
| Caheradrine | city | Gaillimh | Ireland | 53.2488889 | -8.8963889 | 13 | 2687 |
| Caherakilleen | city | Gaillimh | Ireland | 53.2375 | -8.4794444 | 249 | 2881 |
| Caherawoneen | city | Gaillimh | Ireland | 53.1366667 | -8.8858333 | 82 | 2721 |
| Caherbulligin | city | Gaillimh | Ireland | 53.2416667 | -8.7994444 | 68 | 2880 |
| Cahererillan | city | Gaillimh | Ireland | 53.105 | -8.9480556 | 124 | 2667 |
| Caherkinmonwee | city | Gaillimh | Ireland | 53.2327778 | -8.7 | 150 | 2881 |
| Caherlea | city | Gaillimh | Ireland | 53.3266667 | -8.9138889 | 52 | 2843 |
| Cahermore | city | Gaillimh | Ireland | 53.1208333 | -8.8594444 | 98 | 2881 |
| Cahernagarry | city | Gaillimh | Ireland | 53.2405556 | -8.5058333 | 246 | 2881 |
| Cahernashilleeny | city | Gaillimh | Ireland | 53.3497222 | -8.8877778 | 65 | 2871 |
| Caherpeak | city | Gaillimh | Ireland | 53.1880556 | -8.8469444 | 52 | 2860 |
| Caherphuca | city | Gaillimh | Ireland | 53.4138889 | -8.7805556 | 209 | 2870 |
| Callow | city | Gaillimh | Ireland | 53.4016667 | -10.0319444 | 6 | 1438 |
| Calluragh | city | Gaillimh | Ireland | 53.1480556 | -8.6411111 | 505 | 2885 |
| Caltraghlea | city | Gaillimh | Ireland | 53.3616667 | -8.3347222 | 236 | 2871 |
| Camus | city | Gaillimh | Ireland | 53.1752778 | -8.1152778 | 180 | 2744 |
| Camus Eighter | city | Gaillimh | Ireland | 53.3525 | -9.5619444 | 0 | 2433 |
| Cankilly | city | Gaillimh | Ireland | 53.2133333 | -8.0613889 | 183 | 2694 |
| Cannahawna | city | Gaillimh | Ireland | 53.0483333 | -8.8305556 | 118 | 2892 |
| Canower | city | Gaillimh | Ireland | 53.4091667 | -9.8583333 | 6 | 1775 |
| Capira | city | Gaillimh | Ireland | 53.1294444 | -8.2363889 | 314 | 2844 |
| Cappagh | city | Gaillimh | Ireland | 53.2741667 | -9.1325 | 59 | 1960 |
| Cappagh | city | Gaillimh | Ireland | 53.0719444 | -8.3802778 | 272 | 2877 |
| Cappagh | city | Gaillimh | Ireland | 53.0961111 | -8.3430556 | 209 | 2845 |
| Cappaghmore | city | Gaillimh | Ireland | 53.1011111 | -8.9680556 | 190 | 2562 |
| Cappalusk | city | Gaillimh | Ireland | 53.3672222 | -8.5708333 | 249 | 2871 |
| Cappanaghtan | city | Gaillimh | Ireland | 53.2080556 | -8.3708333 | 249 | 2884 |
| Cappataggle | city | Gaillimh | Ireland | 53.2763889 | -8.4036111 | 249 | 2878 |
| Caranavoodaun | city | Gaillimh | Ireland | 53.1852778 | -8.8258333 | 72 | 2883 |
| Caraun | city | Gaillimh | Ireland | 53.2816667 | -8.5480556 | 246 | 2878 |
| Caraunduff | city | Gaillimh | Ireland | 53.1836111 | -8.4552778 | 249 | 2884 |
| Carhoon | city | Gaillimh | Ireland | 53.1566667 | -8.3369444 | 311 | 2885 |
| Carna | city | Gaillimh | Ireland | 53.3305556 | -9.8277778 | 282 | 1481 |
| Carnmore Cross Roads | city | Gaillimh | Ireland | 53.3033333 | -8.9305556 | 36 | 2749 |
| Carnoneen | city | Gaillimh | Ireland | 53.3680556 | -8.8883333 | 72 | 2871 |
| Carnonkeelwy | city | Gaillimh | Ireland | 53.3591667 | -8.905 | 59 | 2871 |
| Carra | city | Gaillimh | Ireland | 53.2591667 | -8.5044444 | 249 | 2878 |
| Carraghy | city | Gaillimh | Ireland | 53.3877778 | -8.9125 | 98 | 2870 |
| Carranty | city | Gaillimh | Ireland | 53.7066667 | -10.0902778 | 0 | 0 |
| Carraroe | city | Gaillimh | Ireland | 53.2655556 | -9.5836111 | 3 | 1411 |
| Carrigeen | city | Gaillimh | Ireland | 53.2166667 | -8.7658333 | 167 | 2881 |
| Carrowgarriff | city | Gaillimh | Ireland | 53.1480556 | -8.8816667 | 65 | 2721 |
| Carrowkeel | city | Gaillimh | Ireland | 53.1625 | -8.4963889 | 249 | 2885 |
| Carrowmanagh | city | Gaillimh | Ireland | 53.3438889 | -8.4083333 | 249 | 2871 |
| Carrowmore | city | Gaillimh | Ireland | 53.2122222 | -8.9744444 | 0 | 1371 |
| Carrowmoreknock | city | Gaillimh | Ireland | 53.4136111 | -9.1775 | 52 | 2345 |
| Carrownamaddra | city | Gaillimh | Ireland | 53.1380556 | -8.9772222 | 19 | 1960 |
| Carrowroe | city | Gaillimh | Ireland | 53.2655556 | -9.5836111 | 3 | 1411 |
| Cartrongarv | city | Gaillimh | Ireland | 53.1461111 | -8.9152778 | 39 | 2721 |
| Cashla | city | Gaillimh | Ireland | 53.3194444 | -8.8516667 | 101 | 2874 |
| Cashleen | city | Gaillimh | Ireland | 53.6 | -10.0333333 | 465 | 994 |
| Casla | city | Gaillimh | Ireland | 53.2908333 | -9.5469444 | 26 | 1875 |
| Castleblakeney | city | Gaillimh | Ireland | 53.4333333 | -8.4833333 | 249 | 2867 |
| Castleblakeny | city | Gaillimh | Ireland | 53.4333333 | -8.4833333 | 249 | 2867 |
| Castlecreevy | city | Gaillimh | Ireland | 53.3927778 | -9.0227778 | 95 | 2592 |
| Castlegar | city | Gaillimh | Ireland | 53.2975 | -9.0191667 | 6 | 2327 |
| Cill Chiarain | city | Gaillimh | Ireland | 53.3258333 | -9.7352778 | 0 | 1434 |
| Cill Chiaráin | city | Gaillimh | Ireland | 53.3258333 | -9.7352778 | 0 | 1434 |
| Cill Cholgain | city | Gaillimh | Ireland | 53.2063889 | -8.8658333 | 29 | 2860 |
| Cill Cholgáin | city | Gaillimh | Ireland | 53.2063889 | -8.8658333 | 29 | 2860 |
| Cill Chonaill | city | Gaillimh | Ireland | 53.3327778 | -8.3922222 | 249 | 2874 |
| Cill Chrios | city | Gaillimh | Ireland | 53.1763889 | -8.6513889 | 285 | 2884 |
| Cill Chriost | city | Gaillimh | Ireland | 53.1763889 | -8.6513889 | 285 | 2884 |
| Cill Chríost | city | Gaillimh | Ireland | 53.1763889 | -8.6513889 | 285 | 2884 |
| Cill Iomair | city | Gaillimh | Ireland | 53.1633333 | -8.2847222 | 403 | 2880 |
| Cill Mhuirbhigh | city | Gaillimh | Ireland | 53.1372222 | -9.7497222 | 16 | 643 |
| Cill Ronain | city | Gaillimh | Ireland | 53.1247222 | -9.6683333 | 0 | 600 |
| Cill Rónáin | city | Gaillimh | Ireland | 53.1247222 | -9.6683333 | 0 | 600 |
| Cill Tormoir | city | Gaillimh | Ireland | 53.2355556 | -8.2683333 | 249 | 2881 |
| Cill Tormóir | city | Gaillimh | Ireland | 53.2355556 | -8.2683333 | 249 | 2881 |
| Cill Tulach | city | Gaillimh | Ireland | 53.2716667 | -8.6341667 | 193 | 2878 |
| Cill Íomair | city | Gaillimh | Ireland | 53.1633333 | -8.2847222 | 403 | 2880 |
| Cinn Mhara | city | Gaillimh | Ireland | 53.1394444 | -8.9336111 | 29 | 2396 |
| Claddagh | city | Gaillimh | Ireland | 53.2666667 | -9.0666667 | 0 | 1509 |
| Claddaghduff | city | Gaillimh | Ireland | 53.5444444 | -10.1416667 | 131 | 911 |
| Claregalway | city | Gaillimh | Ireland | 53.3386111 | -8.945 | 42 | 2871 |
| Clarinbridge | city | Gaillimh | Ireland | 53.2286111 | -8.8775 | 16 | 2687 |
| Cleggan | city | Gaillimh | Ireland | 53.55 | -10.1166667 | 203 | 1352 |
| Clifden | city | Gaillimh | Ireland | 53.4833333 | -10.0166667 | 167 | 2609 |
| Cloch na Ron | city | Gaillimh | Ireland | 53.4 | -9.9166667 | 0 | 1625 |
| Cloch na Rón | city | Gaillimh | Ireland | 53.4 | -9.9166667 | 0 | 1625 |
| Cloghalarhard | city | Gaillimh | Ireland | 53.24 | -8.8597222 | 29 | 2835 |
| Clogharevaun Bridge | city | Gaillimh | Ireland | 53.2641667 | -8.6258333 | 196 | 2878 |
| Cloghaun | city | Gaillimh | Ireland | 53.3736111 | -8.9411111 | 68 | 2871 |
| Cloghscollia | city | Gaillimh | Ireland | 53.2669444 | -9.1466667 | 65 | 1960 |
| Clogmore South | city | Gaillimh | Ireland | 53.2311111 | -9.5241667 | 3 | 1250 |
| Clonco Bridge | city | Gaillimh | Ireland | 53.0388889 | -8.3513889 | 203 | 2344 |
| Clonfert | city | Gaillimh | Ireland | 53.2388889 | -8.0566667 | 193 | 2694 |
| Clontert Cross Roads | city | Gaillimh | Ireland | 53.2263889 | -8.0686111 | 193 | 2694 |
| Cloonascragh | city | Gaillimh | Ireland | 53.2816667 | -8.2002778 | 223 | 2698 |
| Cloonatleva | city | Gaillimh | Ireland | 53.3838889 | -8.4319444 | 249 | 2870 |
| Cloonboo | city | Gaillimh | Ireland | 53.3761111 | -9.0127778 | 68 | 2592 |
| Cloongawn | city | Gaillimh | Ireland | 53.3783333 | -8.4666667 | 249 | 2870 |
| Clooniff | city | Gaillimh | Ireland | 53.3269444 | -9.1394444 | 42 | 2490 |
| Cloonkeen | city | Gaillimh | Ireland | 53.3233333 | -8.6541667 | 196 | 2874 |
| Cloonkeen | city | Gaillimh | Ireland | 53.2702778 | -8.3416667 | 249 | 2878 |
| Cloonlee | city | Gaillimh | Ireland | 53.1419444 | -8.4155556 | 236 | 2885 |
| Cloonleenaun | city | Gaillimh | Ireland | 53.3872222 | -9.0305556 | 72 | 2592 |
| Cloonmain | city | Gaillimh | Ireland | 53.2463889 | -8.4672222 | 249 | 2881 |
| Cloonmore | city | Gaillimh | Ireland | 53.4111111 | -9.1622222 | 45 | 1927 |
| Cloonmoylan | city | Gaillimh | Ireland | 53.0569444 | -8.3147222 | 180 | 2193 |
| Cloonnabinnia | city | Gaillimh | Ireland | 53.3747222 | -9.1861111 | 121 | 2782 |
| Cloonnamaskry | city | Gaillimh | Ireland | 53.1980556 | -8.2322222 | 249 | 2882 |
| Cloonnasee | city | Gaillimh | Ireland | 53.1277778 | -8.9466667 | 65 | 2396 |
| Cloonoolish | city | Gaillimh | Ireland | 53.1897222 | -8.2655556 | 308 | 2884 |
| Cloonoon | city | Gaillimh | Ireland | 53.0386111 | -8.3280556 | 200 | 1757 |
| Cloonsheecahill | city | Gaillimh | Ireland | 53.2969444 | -8.5475 | 249 | 2874 |
| Cloonymorris | city | Gaillimh | Ireland | 53.3180556 | -8.4558333 | 249 | 2874 |
| Cluain Fearta | city | Gaillimh | Ireland | 53.2388889 | -8.0566667 | 193 | 2694 |
| Clydagh | city | Gaillimh | Ireland | 53.3247222 | -9.1641667 | 170 | 2490 |
| Coldwood | city | Gaillimh | Ireland | 53.2541667 | -8.8122222 | 65 | 2877 |
| Colmanstown | city | Gaillimh | Ireland | 53.3894444 | -8.6161111 | 249 | 2870 |
| Connagh | city | Gaillimh | Ireland | 52.9783333 | -8.3680556 | 193 | 1795 |
| Coolagh | city | Gaillimh | Ireland | 53.3686111 | -9.2208333 | 203 | 2871 |
| Coolagh | city | Gaillimh | Ireland | 53.2988889 | -9.0508333 | 6 | 1972 |
| Coolpowra | city | Gaillimh | Ireland | 53.125 | -8.2872222 | 498 | 2381 |
| Corballymore | city | Gaillimh | Ireland | 53.2338889 | -8.4163889 | 249 | 2881 |
| Cornamucklagh | city | Gaillimh | Ireland | 53.4208333 | -8.3241667 | 229 | 2796 |
| Corrafaireen | city | Gaillimh | Ireland | 53.3975 | -8.745 | 370 | 2870 |
| Corrandulla | city | Gaillimh | Ireland | 53.3997222 | -8.9991667 | 150 | 2865 |
| Corranellistrum | city | Gaillimh | Ireland | 53.4161111 | -9.2038889 | 59 | 2345 |
| Corskeagh | city | Gaillimh | Ireland | 53.3566667 | -8.5380556 | 249 | 2871 |
| Costelloe | city | Gaillimh | Ireland | 53.2908333 | -9.5469444 | 26 | 1875 |
| Coteeny | city | Gaillimh | Ireland | 53.3863889 | -9.0563889 | 42 | 1875 |
| Coxtown | city | Gaillimh | Ireland | 53.2469444 | -8.3197222 | 249 | 2881 |
| Cranghwell | city | Gaillimh | Ireland | 53.2261111 | -8.7330556 | 206 | 2881 |
| Craughwell | city | Gaillimh | Ireland | 53.2261111 | -8.7330556 | 206 | 2881 |
| Craughwell | city | Gaillimh | Ireland | 53.2108333 | -8.2211111 | 249 | 2879 |
| Creachmhaoil | city | Gaillimh | Ireland | 53.2261111 | -8.7330556 | 206 | 2881 |
| Creduff | city | Gaillimh | Ireland | 53.25 | -9.3333333 | 9 | 1055 |
| Crockaunroe | city | Gaillimh | Ireland | 53.5544444 | -10.0272222 | 3 | 1945 |
| Crossconnell | city | Gaillimh | Ireland | 53.2694444 | -8.2619444 | 249 | 2878 |
| Crumpaun | city | Gaillimh | Ireland | 53.2897222 | -9.565 | 3 | 1875 |
| Curhownagh | city | Gaillimh | Ireland | 53.4713889 | -10.0766667 | 0 | 2109 |
| Curragh | city | Gaillimh | Ireland | 53.1147222 | -8.44 | 239 | 2888 |
| Currawatia | city | Gaillimh | Ireland | 53.3808333 | -9.1363889 | 68 | 1927 |
| Currywongaun | city | Gaillimh | Ireland | 53.5663889 | -9.9222222 | 137 | 2292 |
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