| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cadaciu Mic | city | Harghita | Romania | 46.33 | 25.10 | 1725 | 2714 |
| Calimanel | city | Harghita | Romania | 46.95 | 25.33 | 2509 | 8156 |
| Calnaciu | city | Harghita | Romania | 46.85 | 25.40 | 2509 | 5040 |
| Calonda | city | Harghita | Romania | 46.43 | 25.18 | 2874 | 6678 |
| Calonde | city | Harghita | Romania | 46.43 | 25.18 | 2874 | 6678 |
| Capalnita | city | Harghita | Romania | 46.37 | 25.52 | 2870 | 4049 |
| Capu Corbului | city | Harghita | Romania | 47.00 | 25.63 | 2509 | 1772 |
| Cariera Capitus | city | Harghita | Romania | 46.15 | 25.87 | 3349 | 4630 |
| Cariera Capitus II | city | Harghita | Romania | 46.15 | 25.87 | 3349 | 4630 |
| Cariera Capitus al Doilea | city | Harghita | Romania | 46.15 | 25.87 | 3349 | 4630 |
| Cariera Carpitus II | city | Harghita | Romania | 46.15 | 25.87 | 3349 | 4630 |
| Carpitus | city | Harghita | Romania | 46.15 | 25.87 | 3349 | 4630 |
| Casinu Nou | city | Harghita | Romania | 46.20 | 26.05 | 2509 | 1042 |
| Caşinul Nou | city | Harghita | Romania | 46.20 | 26.05 | 2509 | 1042 |
| Cechesti | city | Harghita | Romania | 46.32 | 25.02 | 1669 | 6253 |
| Ceheţel | city | Harghita | Romania | 46.40 | 25.13 | 1938 | 2292 |
| Cetatuia | city | Harghita | Romania | 46.25 | 25.90 | 2020 | 3592 |
| Chedia Mare | city | Harghita | Romania | 46.33 | 25.05 | 1669 | 3874 |
| Chedia Mică | city | Harghita | Romania | 46.33 | 25.07 | 1755 | 3566 |
| Chileni | city | Harghita | Romania | 46.68 | 25.57 | 2509 | 14683 |
| Chinusul | city | Harghita | Romania | 46.25 | 25.35 | 1929 | 15418 |
| Chinuşiu | city | Harghita | Romania | 46.25 | 25.35 | 1929 | 15418 |
| Chinuşu | city | Harghita | Romania | 46.25 | 25.35 | 1929 | 15418 |
| Chirui | city | Harghita | Romania | 46.27 | 25.48 | 2080 | 2261 |
| Ciangai | city | Harghita | Romania | 46.30 | 25.93 | 2509 | 2662 |
| Ciaracio | city | Harghita | Romania | 46.42 | 25.75 | 2509 | 10003 |
| Cib | city | Harghita | Romania | 46.35 | 25.80 | 2509 | 33465 |
| Ciba | city | Harghita | Romania | 46.35 | 25.80 | 2509 | 33465 |
| Cica | city | Harghita | Romania | 46.43 | 25.18 | 2874 | 6678 |
| Ciceu | city | Harghita | Romania | 46.42 | 25.78 | 2509 | 11976 |
| Ciceul | city | Harghita | Romania | 46.42 | 25.78 | 2509 | 11976 |
| Cihanoş | city | Harghita | Romania | 46.42 | 24.97 | 1669 | 1864 |
| Cinod | city | Harghita | Romania | 46.30 | 25.93 | 2509 | 2662 |
| Ciobanis | city | Harghita | Romania | 46.32 | 25.95 | 2759 | 2165 |
| Ciobonaş | city | Harghita | Romania | 46.32 | 25.95 | 2759 | 2165 |
| Cioboteni | city | Harghita | Romania | 46.38 | 25.85 | 2519 | 14090 |
| Cioboteni | city | Harghita | Romania | 46.93 | 25.35 | 2509 | 12407 |
| Cioracio | city | Harghita | Romania | 46.42 | 25.75 | 2509 | 10003 |
| Cireseni | city | Harghita | Romania | 46.32 | 25.20 | 2509 | 2641 |
| Ciucani | city | Harghita | Romania | 46.25 | 25.95 | 2582 | 3214 |
| Ciucsângeorgiu | city | Harghita | Romania | 46.32 | 25.95 | 2759 | 2165 |
| Ciucsîngeorgiu | city | Harghita | Romania | 46.32 | 25.95 | 2759 | 2165 |
| Ciughes | city | Harghita | Romania | 46.45 | 25.85 | 2847 | 3389 |
| Ciumani | city | Harghita | Romania | 46.68 | 25.52 | 2509 | 9735 |
| Ciutac | city | Harghita | Romania | 46.80 | 25.42 | 2509 | 5675 |
| Cobăteşti | city | Harghita | Romania | 46.35 | 25.15 | 1814 | 2447 |
| Colonda | city | Harghita | Romania | 46.43 | 25.18 | 2874 | 6678 |
| Comanesti | city | Harghita | Romania | 46.27 | 25.43 | 1820 | 5716 |
| Comiat | city | Harghita | Romania | 46.53 | 25.97 | 3444 | 6991 |
| Corbu | city | Harghita | Romania | 46.98 | 25.70 | 2509 | 1203 |
| Corbul | city | Harghita | Romania | 46.98 | 25.70 | 2509 | 1203 |
| Cormoş | city | Harghita | Romania | 46.35 | 25.80 | 2509 | 33465 |
| Corund | city | Harghita | Romania | 46.47 | 25.18 | 2509 | 6877 |
| Cotorman | city | Harghita | Romania | 46.30 | 25.90 | 2509 | 3000 |
| Cotormani | city | Harghita | Romania | 46.30 | 25.90 | 2509 | 3000 |
| Cotormány | city | Harghita | Romania | 46.30 | 25.90 | 2509 | 3000 |
| Covacipeter | city | Harghita | Romania | 46.72 | 25.60 | 2657 | 19049 |
| Cozberţaia | city | Harghita | Romania | 46.52 | 25.03 | 2509 | 1591 |
| Cozinem | city | Harghita | Romania | 46.23 | 25.93 | 2509 | 3629 |
| Cozlerţaia | city | Harghita | Romania | 46.52 | 25.03 | 2509 | 1591 |
| Cozmeni | city | Harghita | Romania | 46.23 | 25.93 | 2509 | 3629 |
| Criseni | city | Harghita | Romania | 46.42 | 24.97 | 1669 | 1864 |
| Cristur | city | Harghita | Romania | 46.28 | 25.03 | 1669 | 10931 |
| Cristuru Secuiesc | city | Harghita | Romania | 46.28 | 25.03 | 1669 | 10931 |
| Crăciunel | city | Harghita | Romania | 46.18 | 25.43 | 1837 | 1925 |
| Csaracsò | city | Harghita | Romania | 46.42 | 25.75 | 2509 | 10003 |
| Csatószeg | city | Harghita | Romania | 46.25 | 25.90 | 2020 | 3592 |
| Csehètfalva | city | Harghita | Romania | 46.40 | 25.13 | 1938 | 2292 |
| Csekefalva | city | Harghita | Romania | 46.25 | 25.95 | 2582 | 3214 |
| Csekefalva | city | Harghita | Romania | 46.32 | 25.02 | 1669 | 6253 |
| Csengeller | city | Harghita | Romania | 46.85 | 25.60 | 4189 | 3404 |
| Csiba | city | Harghita | Romania | 46.35 | 25.80 | 2509 | 33465 |
| Csicso | city | Harghita | Romania | 46.42 | 25.78 | 2509 | 11976 |
| Csihànyos | city | Harghita | Romania | 46.42 | 24.97 | 1669 | 1864 |
| Csik Bankfolva | city | Harghita | Romania | 46.30 | 25.93 | 2509 | 2662 |
| Csik Csekefalod | city | Harghita | Romania | 46.25 | 25.95 | 2582 | 3214 |
| Csik Mindszent | city | Harghita | Romania | 46.32 | 25.90 | 2618 | 2976 |
| Csik Szent Gyorgu | city | Harghita | Romania | 46.32 | 25.95 | 2759 | 2165 |
| Csik Szlkirole | city | Harghita | Romania | 46.30 | 25.85 | 2043 | 9483 |
| Csik Verebes | city | Harghita | Romania | 46.22 | 25.92 | 2509 | 3692 |
| Csik-Csotószeg | city | Harghita | Romania | 46.25 | 25.90 | 2020 | 3592 |
| Csik-Kozmas | city | Harghita | Romania | 46.23 | 25.93 | 2509 | 3629 |
| Csik-Szent-Karg | city | Harghita | Romania | 46.28 | 25.87 | 2047 | 3657 |
| Csikpálfalva | city | Harghita | Romania | 46.40 | 25.83 | 2509 | 16655 |
| Csikrákos | city | Harghita | Romania | 46.45 | 25.75 | 2509 | 3278 |
| Csiksomlyó | city | Harghita | Romania | 46.38 | 25.83 | 2670 | 22881 |
| Csikszentdomokos | city | Harghita | Romania | 46.58 | 25.78 | 2509 | 6019 |
| Csikszentgyörgy | city | Harghita | Romania | 46.32 | 25.95 | 2759 | 2165 |
| Csikszentimre | city | Harghita | Romania | 46.28 | 25.87 | 2047 | 3657 |
| Csikszentkiraly | city | Harghita | Romania | 46.30 | 25.85 | 2043 | 9483 |
| Csikszentmarton | city | Harghita | Romania | 46.27 | 25.93 | 2509 | 3180 |
| Csikszentmihaly | city | Harghita | Romania | 46.47 | 25.82 | 2509 | 2802 |
| Csikszentmiklos | city | Harghita | Romania | 46.43 | 25.85 | 3349 | 4684 |
| Csikszentsimon | city | Harghita | Romania | 46.25 | 25.88 | 2057 | 3826 |
| Csikszenttamas | city | Harghita | Romania | 46.55 | 25.78 | 2509 | 7627 |
| Csikszereda | city | Harghita | Romania | 46.35 | 25.80 | 2509 | 33465 |
| Csiksánfalva | city | Harghita | Romania | 46.52 | 25.75 | 2509 | 7030 |
| Csiktaploca | city | Harghita | Romania | 46.37 | 25.80 | 2509 | 32419 |
| Csobanos | city | Harghita | Romania | 46.32 | 25.95 | 2759 | 2165 |
| Csobotfalva | city | Harghita | Romania | 46.38 | 25.85 | 2519 | 14090 |
| Csomafalva | city | Harghita | Romania | 46.68 | 25.52 | 2509 | 9735 |
| Csomortàn | city | Harghita | Romania | 46.38 | 25.87 | 2854 | 10106 |
| Csutakfalva | city | Harghita | Romania | 46.80 | 25.42 | 2509 | 5675 |
| Csíkborzsova | city | Harghita | Romania | 46.43 | 25.82 | 2509 | 8904 |
| Csíkbánkfalva | city | Harghita | Romania | 46.30 | 25.93 | 2509 | 2662 |
| Csíkcsekefalva | city | Harghita | Romania | 46.25 | 25.95 | 2582 | 3214 |
| Csíkcsicsó | city | Harghita | Romania | 46.42 | 25.78 | 2509 | 11976 |
| Csíkcsomortán | city | Harghita | Romania | 46.38 | 25.87 | 2854 | 10106 |
| Csíkdelne | city | Harghita | Romania | 46.42 | 25.83 | 2578 | 10607 |
| Csíkdánfalva | city | Harghita | Romania | 46.52 | 25.75 | 2509 | 7030 |
| Csíkjenőfalva | city | Harghita | Romania | 46.55 | 25.77 | 2509 | 7728 |
| Csíkkozmás | city | Harghita | Romania | 46.23 | 25.93 | 2509 | 3629 |
| Csíkmadaras | city | Harghita | Romania | 46.50 | 25.75 | 2509 | 6513 |
| Csíkmenaság | city | Harghita | Romania | 46.35 | 25.97 | 2752 | 2365 |
| Csíkszentlélek | city | Harghita | Romania | 46.35 | 25.85 | 2736 | 16307 |
| Csíkszépvíz | city | Harghita | Romania | 46.45 | 25.85 | 2847 | 3389 |
| Csíkverebes | city | Harghita | Romania | 46.22 | 25.92 | 2509 | 3692 |
| Cusmad | city | Harghita | Romania | 46.47 | 25.05 | 1725 | 1680 |
| Cuşmed | city | Harghita | Romania | 46.47 | 25.05 | 1725 | 1680 |
| Cârţa | city | Harghita | Romania | 46.53 | 25.75 | 2509 | 7208 |
| Cîrţa | city | Harghita | Romania | 46.53 | 25.75 | 2509 | 7208 |
| Cădaci | city | Harghita | Romania | 46.48 | 25.13 | 2509 | 5292 |
| Cădaciu Mare | city | Harghita | Romania | 46.33 | 25.10 | 1725 | 2714 |
| Cădişeni | city | Harghita | Romania | 46.32 | 25.32 | 1686 | 36861 |
| Călimănelu | city | Harghita | Romania | 46.95 | 25.33 | 2509 | 8156 |
| Călnaci | city | Harghita | Romania | 46.85 | 25.40 | 2509 | 5040 |
| Călugăreni | city | Harghita | Romania | 46.28 | 25.40 | 2536 | 10559 |
| Căpîlniţa | city | Harghita | Romania | 46.37 | 25.52 | 2870 | 4049 |
| Căpîlniţa | city | Harghita | Romania | 46.57 | 25.98 | 3464 | 6761 |