| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cia | city | Navarra | Spain | 42.93 | -1.77 | 2509 | 1127 |
| Ciadoncha | city | Castilla y Leon | Spain | 42.16 | -3.93 | 2647 | 687 |
| Ciano | city | Asturias | Spain | 43.29 | -5.67 | 1669 | 43931 |
| Ciarrodrigu | city | Castilla y Leon | Spain | 40.60 | -6.53 | 2040 | 8606 |
| Ciaurriz | city | Navarra | Spain | 42.93 | -1.64 | 1709 | 1216 |
| Cibanal | city | Castilla y Leon | Spain | 41.31 | -6.31 | 2509 | 860 |
| Cibran | city | Galicia | Spain | 43.05 | -9.13 | 830 | 3679 |
| Cibreiro | city | Galicia | Spain | 42.73 | -7.88 | 2509 | 2384 |
| Cibrian | city | Galicia | Spain | 43.05 | -9.13 | 830 | 3679 |
| Cibuyo | city | Asturias | Spain | 43.12 | -6.58 | 2706 | 2197 |
| Cicera | city | Cantabria | Spain | 43.24 | -4.55 | 2509 | 697 |
| Cicere | city | Galicia | Spain | 43.05 | -8.88 | 1131 | 3116 |
| Cicero | city | Cantabria | Spain | 43.40 | -3.49 | 16 | 18309 |
| Cicujano | city | Euskadi | Spain | 42.75 | -2.44 | 2667 | 597 |
| Cicujano/Zekuiano | city | Euskadi | Spain | 42.75 | -2.44 | 2667 | 597 |
| Cidad | city | Castilla y Leon | Spain | 43.01 | -3.76 | 2509 | 428 |
| Cidad Dosente | city | Castilla y Leon | Spain | 43.01 | -3.76 | 2509 | 424 |
| Cidad de Ebro | city | Castilla y Leon | Spain | 42.89 | -3.71 | 2509 | 227 |
| Cidad de Valdeporres | city | Castilla y Leon | Spain | 43.01 | -3.76 | 2509 | 428 |
| Cidade Real | city | Castilla-La Mancha | Spain | 38.99 | -3.93 | 2050 | 38017 |
| Cidade Rodrigo | city | Castilla y Leon | Spain | 40.60 | -6.53 | 2040 | 8606 |
| Cidamón | city | La Rioja | Spain | 42.50 | -2.88 | 1955 | 2346 |
| Cidones | city | Castilla y Leon | Spain | 41.81 | -2.64 | 3464 | 1726 |
| Cielo Abierto | city | Andalucia | Spain | 38.34 | -3.73 | 2509 | 101 |
| Ciempozuelos | city | Madrid | Spain | 40.16 | -3.62 | 1669 | 32656 |
| Cien | city | Asturias | Spain | 43.25 | -5.10 | 2509 | 737 |
| Cienfuegos | city | Asturias | Spain | 43.13 | -5.93 | 2509 | 719 |
| Cierva | city | Castilla-La Mancha | Spain | 40.05 | -1.85 | 3704 | 170 |
| Cieza | city | Murcia | Spain | 38.24 | -1.42 | 830 | 30296 |
| Cifuentes | city | Castilla-La Mancha | Spain | 40.79 | -2.62 | 3349 | 819 |
| Cifuentes de Rueda | city | Castilla y Leon | Spain | 42.61 | -5.26 | 2729 | 763 |
| Ciga | city | Navarra | Spain | 43.12 | -1.57 | 1765 | 1754 |
| Cigales | city | Castilla y Leon | Spain | 41.76 | -4.70 | 2509 | 11689 |
| Cigudosa | city | Castilla y Leon | Spain | 41.94 | -2.06 | 2532 | 461 |
| Ciguedres | city | Asturias | Spain | 43.23 | -6.28 | 2509 | 901 |
| Ciguenza | city | Cantabria | Spain | 43.39 | -4.18 | 396 | 5895 |
| Ciguera | city | Castilla y Leon | Spain | 42.96 | -5.15 | 4337 | 482 |
| Cigunuela | city | Castilla y Leon | Spain | 41.64 | -4.86 | 2736 | 6031 |
| Cigüenza | city | Castilla y Leon | Spain | 42.94 | -3.60 | 1955 | 2058 |
| Cihuela | city | Castilla y Leon | Spain | 41.41 | -2.00 | 3349 | 319 |
| Cihuri | city | La Rioja | Spain | 42.56 | -2.92 | 1669 | 6162 |
| Cijuela | city | Andalucia | Spain | 37.20 | -3.81 | 1679 | 18709 |
| Cilanco | city | Castilla-La Mancha | Spain | 39.33 | -1.30 | 1669 | 517 |
| Cilbarrena | city | La Rioja | Spain | 42.31 | -3.00 | 4189 | 992 |
| Cilbeti | city | Navarra | Spain | 42.98 | -1.47 | 3349 | 275 |
| Cildoz | city | Navarra | Spain | 42.88 | -1.67 | 1856 | 48690 |
| Cillamayor | city | Castilla y Leon | Spain | 42.86 | -4.28 | 3349 | 2713 |
| Cillanueva | city | Castilla y Leon | Spain | 42.47 | -5.62 | 2647 | 2869 |
| Cillarrena | city | La Rioja | Spain | 42.31 | -3.00 | 4189 | 992 |
| Cillas | city | Aragon | Spain | 42.53 | -0.21 | 4511 | 268 |
| Cillas | city | Castilla-La Mancha | Spain | 40.94 | -1.85 | 3684 | 321 |
| Cilleiro | city | Galicia | Spain | 43.68 | -7.58 | 830 | 12388 |
| Cillero | city | Galicia | Spain | 43.68 | -7.58 | 830 | 12388 |
| Cillero | city | Galicia | Spain | 43.52 | -7.25 | 830 | 4851 |
| Cilleros | city | Extremadura | Spain | 40.11 | -6.79 | 1669 | 950 |
| Cilleros de la Bastida | city | Castilla y Leon | Spain | 40.58 | -6.06 | 3641 | 748 |
| Cilleros el Hondo | city | Castilla y Leon | Spain | 40.85 | -5.71 | 3349 | 903 |
| Cilleruela | city | Castilla y Leon | Spain | 42.97 | -3.85 | 2795 | 414 |
| Cilleruelo | city | Castilla y Leon | Spain | 41.90 | -3.66 | 3349 | 474 |
| Cilleruelo | city | Castilla-La Mancha | Spain | 38.71 | -2.34 | 3743 | 152 |
| Cilleruelo de Abajo | city | Castilla y Leon | Spain | 41.88 | -3.80 | 3349 | 744 |
| Cilleruelo de Arriba | city | Castilla y Leon | Spain | 41.90 | -3.66 | 3349 | 474 |
| Cilleruelo de Bezana | city | Castilla y Leon | Spain | 42.97 | -3.85 | 2795 | 414 |
| Cilleruelo de Bricia | city | Castilla y Leon | Spain | 42.89 | -3.85 | 3349 | 240 |
| Cilleruelo de San Mames | city | Castilla y Leon | Spain | 41.43 | -3.57 | 3349 | 578 |
| Cillerus | city | Extremadura | Spain | 40.11 | -6.79 | 1669 | 950 |
| Cillerós | city | Galicia | Spain | 42.26 | -7.11 | 3349 | 1174 |
| Cillorigo-Castro | city | Cantabria | Spain | 43.20 | -4.60 | 1669 | 1883 |
| Cilloruelo | city | Castilla y Leon | Spain | 40.91 | -5.47 | 2624 | 1894 |
| Cillán | city | Castilla y Leon | Spain | 40.71 | -4.98 | 4189 | 643 |
| Cilveti | city | Navarra | Spain | 42.98 | -1.47 | 3349 | 275 |
| Cima de Ribeira | city | Galicia | Spain | 42.00 | -7.78 | 2647 | 2270 |
| Cima de Vila | city | Galicia | Spain | 43.44 | -7.20 | 1092 | 1882 |
| Cima de Vila de Santalla | city | Galicia | Spain | 43.38 | -7.30 | 1240 | 2861 |
| Cimadevila | city | Galicia | Spain | 42.30 | -7.22 | 1988 | 1644 |
| Cimadevilla | city | Asturias | Spain | 43.30 | -5.72 | 1040 | 49776 |
| Cimadevilla | city | Asturias | Spain | 43.53 | -5.59 | 390 | 61541 |
| Cimadevilla | city | Asturias | Spain | 43.53 | -5.55 | 255 | 28289 |
| Cimadevilla | city | Asturias | Spain | 43.34 | -6.86 | 830 | 666 |
| Cimadevilla | city | Asturias | Spain | 43.27 | -6.98 | 2627 | 776 |
| Cimalavilla | city | Asturias | Spain | 43.30 | -5.72 | 1040 | 49776 |
| Cimanes de la Vega | city | Castilla y Leon | Spain | 42.12 | -5.60 | 2509 | 1814 |
| Cimanes del Tejar | city | Castilla y Leon | Spain | 42.62 | -5.81 | 3349 | 2247 |
| Cimavilla | city | Asturias | Spain | 43.53 | -5.59 | 390 | 61541 |
| Cimballa | city | Aragon | Spain | 41.10 | -1.77 | 3349 | 349 |
| Cimiano | city | Asturias | Spain | 43.32 | -4.58 | 351 | 2123 |
| Cinat | city | Comunitat Valenciana | Spain | 40.05 | -0.45 | 2509 | 641 |
| Cincho | city | Andalucia | Spain | 37.89 | -6.82 | 2509 | 2086 |
| Cinco Casas | city | Castilla-La Mancha | Spain | 39.17 | -3.24 | 2509 | 456 |
| Cinco Olivas | city | Aragon | Spain | 41.34 | -0.37 | 393 | 794 |
| Cinco Villas | city | Madrid | Spain | 40.96 | -3.61 | 3349 | 2035 |
| Cincovillas | city | Castilla y Leon | Spain | 41.33 | -3.45 | 3540 | 536 |
| Cincovillas | city | Castilla-La Mancha | Spain | 41.21 | -2.82 | 3349 | 419 |
| Cinctorres | city | Comunitat Valenciana | Spain | 40.58 | -0.22 | 2847 | 855 |
| Cinera | city | Castilla y Leon | Spain | 42.89 | -5.63 | 4189 | 2243 |
| Cines | city | Galicia | Spain | 43.23 | -8.23 | 830 | 13352 |
| Cinge | city | Galicia | Spain | 43.51 | -7.15 | 830 | 3161 |
| Cintruénico | city | Navarra | Spain | 42.08 | -1.80 | 1669 | 11065 |
| Cintruénigo | city | Navarra | Spain | 42.08 | -1.80 | 1669 | 11065 |
| Cional | city | Castilla y Leon | Spain | 41.96 | -6.34 | 2664 | 662 |
| Ciordia | city | Navarra | Spain | 42.87 | -2.23 | 2509 | 3667 |
| Cipérez | city | Castilla y Leon | Spain | 40.96 | -6.27 | 2509 | 457 |
| Ciquiril | city | Galicia | Spain | 42.60 | -8.52 | 1856 | 3551 |
| Cira | city | Galicia | Spain | 42.77 | -8.35 | 856 | 2445 |
| Ciral | city | Comunitat Valenciana | Spain | 40.05 | -0.45 | 2509 | 641 |
| Cirat | city | Comunitat Valenciana | Spain | 40.05 | -0.45 | 2509 | 641 |
| Cirauqui | city | Navarra | Spain | 42.68 | -1.89 | 1669 | 1286 |
| Cirauqui/Zirauki | city | Navarra | Spain | 42.68 | -1.89 | 1669 | 1286 |
| Circes | city | Galicia | Spain | 42.83 | -8.22 | 830 | 3979 |
| Cires | city | Cantabria | Spain | 43.24 | -4.50 | 1850 | 659 |
| Ciria | city | Castilla y Leon | Spain | 41.62 | -1.97 | 3497 | 224 |
| Cirieno | city | Asturias | Spain | 43.27 | -5.20 | 1194 | 812 |
| Cirieñu | city | Asturias | Spain | 43.27 | -5.20 | 1194 | 812 |
| Cirio | city | Galicia | Spain | 43.11 | -7.38 | 2509 | 1562 |
| Ciriza | city | Navarra | Spain | 42.79 | -1.83 | 1227 | 1390 |
| Ciriza/Ziritza | city | Navarra | Spain | 42.79 | -1.83 | 1227 | 1390 |
| Ciriñuela | city | La Rioja | Spain | 42.42 | -2.89 | 2509 | 2885 |
| Cirión | city | Castilla y Leon | Spain | 43.10 | -3.14 | 1122 | 1959 |
| Cirueches | city | Castilla-La Mancha | Spain | 41.10 | -2.74 | 3349 | 856 |
| Ciruela | city | Castilla y Leon | Spain | 41.44 | -2.82 | 3349 | 351 |
| Ciruelas | city | Castilla-La Mancha | Spain | 40.75 | -3.09 | 2828 | 1174 |
| Ciruelos | city | Castilla y Leon | Spain | 41.44 | -3.70 | 3733 | 372 |
| Ciruelos | city | Castilla-La Mancha | Spain | 41.01 | -2.22 | 4189 | 177 |
| Ciruelos | city | Castilla-La Mancha | Spain | 39.94 | -3.61 | 2509 | 3918 |
| Ciruelos de Cervera | city | Castilla y Leon | Spain | 41.91 | -3.53 | 3359 | 357 |
| Ciruelos de Coca | city | Castilla y Leon | Spain | 41.22 | -4.58 | 2565 | 1383 |
| Cirueña | city | La Rioja | Spain | 42.41 | -2.90 | 2509 | 2857 |
| Cirugeda | city | Aragon | Spain | 40.75 | -0.68 | 4379 | 278 |
| Cirujales | city | Castilla y Leon | Spain | 42.78 | -6.08 | 4189 | 321 |
| Cirujales del Río | city | Castilla y Leon | Spain | 41.87 | -2.33 | 3582 | 499 |
| Cirviago | city | Asturias | Spain | 43.28 | -6.52 | 1719 | 1446 |
| Cisla | city | Castilla y Leon | Spain | 40.97 | -5.01 | 2765 | 1116 |
| Cisneros | city | Castilla y Leon | Spain | 42.22 | -4.86 | 2532 | 705 |
| Cistella | city | Cataluna | Spain | 42.27 | 2.85 | 830 | 1721 |
| Cisterniga | city | Castilla y Leon | Spain | 41.61 | -4.69 | 2542 | 108617 |
| Cistierna | city | Castilla y Leon | Spain | 42.80 | -5.13 | 3362 | 3463 |
| Citores del Páramo | city | Castilla y Leon | Spain | 42.39 | -3.98 | 3349 | 991 |
| Ciudad | city | Galicia | Spain | 42.52 | -8.15 | 1843 | 1614 |
| Ciudad | city | Ceuta | Spain | 35.89 | -5.32 | 0 | 73571 |
| Ciudad Autónoma de Melilla | city | Melilla | Spain | 35.29 | -2.94 | 3 | 88682 |
| Ciudad Jardin | city | Murcia | Spain | 37.61 | -0.99 | 141 | 34612 |
| Ciudad Jardin | city | Canarias | Spain | 28.12 | -15.43 | 830 | 178994 |
| Ciudad Jardín | city | Comunitat Valenciana | Spain | 38.37 | -0.50 | 216 | 139581 |
| Ciudad Lineal | city | Madrid | Spain | 40.45 | -3.65 | 2509 | 458597 |
| Ciudad Lineal distritu | city | Madrid | Spain | 40.45 | -3.65 | 2509 | 458597 |
| Ciudad Real | city | Castilla-La Mancha | Spain | 38.99 | -3.93 | 2050 | 38017 |
| Ciudad Rodrigo | city | Castilla y Leon | Spain | 40.60 | -6.53 | 2040 | 8606 |
| Ciudad de Ceuta | city | Ceuta | Spain | 35.89 | -5.32 | 0 | 73571 |
| Ciudad de Melilla | city | Melilla | Spain | 35.29 | -2.94 | 3 | 88682 |
| Ciudad de Waque | city | Canarias | Spain | 28.47 | -16.38 | 2739 | 76499 |
| Ciudad de los Niños | city | Andalucia | Spain | 37.30 | -6.94 | 173 | 76511 |
| Ciudad-Rodrigo | city | Castilla y Leon | Spain | 40.60 | -6.53 | 2040 | 8606 |
| Ciudadela | city | Galicia | Spain | 43.08 | -8.03 | 1830 | 2390 |
| Ciudadela | city | Illes Balears | Spain | 40.03 | 3.83 | 206 | 8756 |
| Ciudá Real | city | Castilla-La Mancha | Spain | 38.99 | -3.93 | 2050 | 38017 |
| Ciudá de Llión | city | Castilla y Leon | Spain | 42.60 | -5.57 | 2647 | 141285 |
| Ciurana | city | Cataluna | Spain | 41.26 | 0.93 | 2509 | 1136 |
| Ciurana | city | Cataluna | Spain | 42.21 | 2.99 | 62 | 13241 |
| Ciurana de Prades | city | Cataluna | Spain | 41.26 | 0.93 | 2509 | 1136 |
| Ciurana de Tarragona | city | Cataluna | Spain | 41.26 | 0.93 | 2509 | 1136 |
| Ciutadella | city | Illes Balears | Spain | 40.03 | 3.83 | 206 | 8756 |
| Ciutadilla | city | Cataluna | Spain | 41.56 | 1.14 | 1837 | 1575 |
| Ciutat de Mallorca | city | Illes Balears | Spain | 39.57 | 2.66 | 29 | 101327 |
| Ciutat de Múrcia | city | Murcia | Spain | 37.99 | -1.13 | 95 | 66275 |
| Cives de Abajo | city | Galicia | Spain | 42.93 | -9.03 | 902 | 2672 |
| Cives de Arriba | city | Galicia | Spain | 42.93 | -9.03 | 902 | 2738 |
| Civis | city | Cataluna | Spain | 42.46 | 1.42 | 5915 | 3188 |
| Cizur Mayor | city | Navarra | Spain | 42.79 | -1.69 | 1669 | 161540 |
| Cizur Menor | city | Navarra | Spain | 42.79 | -1.68 | 1669 | 183646 |
| Cizurquil | city | Euskadi | Spain | 43.20 | -2.08 | 328 | 20467 |
| Ciérvana | city | Euskadi | Spain | 43.35 | -3.09 | 416 | 64553 |
| Ciérvana-Abanto | city | Euskadi | Spain | 43.35 | -3.09 | 416 | 64553 |