| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Castejon | city | Aragon | Spain | 41.98 | -0.99 | 1669 | 546 |
| Castejon | city | Navarra | Spain | 42.17 | -1.69 | 879 | 11576 |
| Castejon | city | Castilla-La Mancha | Spain | 40.38 | -2.52 | 2595 | 515 |
| Castejon de Alarba | city | Aragon | Spain | 41.18 | -1.64 | 2870 | 665 |
| Castejon de Henares | city | Castilla-La Mancha | Spain | 40.94 | -2.79 | 3418 | 642 |
| Castejon de Monegros | city | Aragon | Spain | 41.62 | -0.24 | 1669 | 553 |
| Castejon de Sos | city | Aragon | Spain | 42.51 | 0.49 | 3674 | 828 |
| Castejon de Tornos | city | Aragon | Spain | 41.00 | -1.43 | 3454 | 485 |
| Castejon de Valdejosa | city | Aragon | Spain | 41.98 | -0.99 | 1669 | 546 |
| Castejon del Campo | city | Castilla y Leon | Spain | 41.69 | -2.14 | 3349 | 256 |
| Castejon del Puente | city | Aragon | Spain | 41.96 | 0.16 | 879 | 8480 |
| Castejón de Arbaniés | city | Aragon | Spain | 42.15 | -0.26 | 1794 | 585 |
| Castejón de Sobrarbe | city | Aragon | Spain | 42.32 | 0.14 | 1853 | 539 |
| Castejón de Valdejasa | city | Aragon | Spain | 41.98 | -0.99 | 1669 | 546 |
| Castejón de las Armas | city | Aragon | Spain | 41.31 | -1.81 | 2644 | 1764 |
| Castel de Cabra | city | Aragon | Spain | 40.80 | -0.70 | 4189 | 466 |
| Castelanes | city | Galicia | Spain | 42.24 | -8.40 | 830 | 4251 |
| Castelaus | city | Galicia | Spain | 42.00 | -7.84 | 3349 | 1910 |
| Castelbisbal | city | Cataluna | Spain | 41.47 | 1.98 | 282 | 93050 |
| Castelbispal | city | Cataluna | Spain | 41.47 | 1.98 | 282 | 93050 |
| Casteldefels | city | Cataluna | Spain | 41.28 | 1.97 | 13 | 97812 |
| Castelflorite | city | Aragon | Spain | 41.80 | -0.02 | 830 | 571 |
| Castell de Cabres | city | Comunitat Valenciana | Spain | 40.66 | 0.04 | 3559 | 221 |
| Castell de Castells | city | Comunitat Valenciana | Spain | 38.73 | -0.19 | 2509 | 1259 |
| Castell de Ferro | city | Andalucia | Spain | 36.73 | -3.35 | 0 | 3386 |
| Castell de Guadalest | city | Comunitat Valenciana | Spain | 38.68 | -0.20 | 1669 | 1903 |
| Castell de Vilamalefa | city | Comunitat Valenciana | Spain | 40.13 | -0.38 | 2896 | 355 |
| Castell de l'Areny | city | Cataluna | Spain | 42.17 | 1.95 | 3372 | 827 |
| Castell del Areny | city | Cataluna | Spain | 42.17 | 1.95 | 3372 | 827 |
| Castell-Platja d'Aro | city | Cataluna | Spain | 41.82 | 3.03 | 6 | 25915 |
| Castelladral | city | Cataluna | Spain | 41.90 | 1.78 | 1669 | 3025 |
| Castellana | city | Galicia | Spain | 43.19 | -8.03 | 1669 | 2314 |
| Castellanos | city | Castilla y Leon | Spain | 42.46 | -5.12 | 2841 | 452 |
| Castellanos | city | Castilla y Leon | Spain | 42.07 | -6.62 | 3349 | 1208 |
| Castellanos de Bureba | city | Castilla y Leon | Spain | 42.71 | -3.45 | 2040 | 811 |
| Castellanos de Castro | city | Castilla y Leon | Spain | 42.33 | -4.03 | 3349 | 811 |
| Castellanos de Moriscos | city | Castilla y Leon | Spain | 41.02 | -5.59 | 2732 | 5492 |
| Castellanos de Villiquera | city | Castilla y Leon | Spain | 41.05 | -5.69 | 2664 | 4957 |
| Castellanos de Zapardiel | city | Castilla y Leon | Spain | 41.08 | -4.91 | 2549 | 886 |
| Castellar | city | Aragon | Spain | 41.78 | -1.05 | 984 | 12766 |
| Castellar | city | Castilla-La Mancha | Spain | 40.82 | -1.76 | 4189 | 757 |
| Castellar | city | Andalucia | Spain | 36.32 | -5.45 | 75 | 1419 |
| Castellar | city | Aragon | Spain | 42.52 | -0.05 | 3428 | 169 |
| Castellar | city | Cataluna | Spain | 41.61 | 2.09 | 1062 | 115589 |
| Castellar d'En Huch | city | Cataluna | Spain | 42.28 | 2.02 | 5029 | 621 |
| Castellar de N'Hug | city | Cataluna | Spain | 42.28 | 2.02 | 5029 | 621 |
| Castellar de Nuch | city | Cataluna | Spain | 42.28 | 2.02 | 5029 | 621 |
| Castellar de Nunch | city | Cataluna | Spain | 42.28 | 2.02 | 5029 | 621 |
| Castellar de N’Hug | city | Cataluna | Spain | 42.28 | 2.02 | 5029 | 621 |
| Castellar de Santiago | city | Castilla-La Mancha | Spain | 38.54 | -3.28 | 2687 | 2053 |
| Castellar de Santisteban | city | Andalucia | Spain | 38.25 | -3.13 | 2509 | 1944 |
| Castellar de la Frontera | city | Andalucia | Spain | 36.32 | -5.45 | 75 | 1419 |
| Castellar de la Montana | city | Cataluna | Spain | 42.24 | 2.50 | 1669 | 11894 |
| Castellar de la Muela | city | Castilla-La Mancha | Spain | 40.82 | -1.76 | 4189 | 757 |
| Castellar de la Selva | city | Cataluna | Spain | 41.95 | 2.88 | 997 | 33665 |
| Castellar d’En Huch | city | Cataluna | Spain | 42.28 | 2.02 | 5029 | 621 |
| Castellar y Oliveral | city | Comunitat Valenciana | Spain | 39.43 | -0.37 | 3 | 366692 |
| Castellazo | city | Aragon | Spain | 42.33 | 0.06 | 2788 | 549 |
| Castellbell | city | Cataluna | Spain | 41.64 | 1.86 | 830 | 19735 |
| Castellbisbal | city | Cataluna | Spain | 41.47 | 1.98 | 282 | 93050 |
| Castellbispal | city | Cataluna | Spain | 41.47 | 1.98 | 282 | 93050 |
| Castellbó | city | Cataluna | Spain | 42.37 | 1.36 | 2736 | 205 |
| Castellcir | city | Cataluna | Spain | 41.76 | 2.16 | 2509 | 5232 |
| Castellciutat | city | Cataluna | Spain | 42.35 | 1.44 | 2509 | 12787 |
| Castelldefells | city | Cataluna | Spain | 41.28 | 1.97 | 13 | 97812 |
| Castelldefels | city | Cataluna | Spain | 41.28 | 1.97 | 13 | 97812 |
| Castelldáns | city | Cataluna | Spain | 41.50 | 0.77 | 1246 | 2734 |
| Castellet | city | Cataluna | Spain | 41.26 | 1.63 | 830 | 29756 |
| Castellfabib | city | Comunitat Valenciana | Spain | 40.13 | -1.30 | 3349 | 758 |
| Castellfollit de Riubregos | city | Cataluna | Spain | 41.78 | 1.44 | 1817 | 852 |
| Castellfort | city | Comunitat Valenciana | Spain | 40.50 | -0.19 | 4189 | 423 |
| Castellfullil de Boix | city | Cataluna | Spain | 41.67 | 1.68 | 1909 | 1148 |
| Castellfullit de Riubregós | city | Cataluna | Spain | 41.78 | 1.44 | 1817 | 852 |
| Castellfullit de la Roca | city | Cataluna | Spain | 42.22 | 2.55 | 1669 | 11016 |
| Castellfullit del Boix | city | Cataluna | Spain | 41.67 | 1.68 | 1909 | 1148 |
| Castellitx | city | Spain | 39.55 | 2.93 | 830 | 5861 | |
| Castellnou de Avellanos | city | Cataluna | Spain | 42.40 | 0.91 | 5869 | 257 |
| Castellnou de Basella | city | Cataluna | Spain | 41.99 | 1.29 | 1669 | 309 |
| Castellnou de Bassella | city | Cataluna | Spain | 41.99 | 1.29 | 1669 | 309 |
| Castellnou de Olujas | city | Cataluna | Spain | 41.70 | 1.30 | 1669 | 6664 |
| Castellnou de Seana | city | Cataluna | Spain | 41.65 | 0.97 | 892 | 7123 |
| Castellnou de Sogorb | city | Comunitat Valenciana | Spain | 39.87 | -0.45 | 1669 | 5443 |
| Castellnovo | city | Comunitat Valenciana | Spain | 39.87 | -0.45 | 1669 | 5443 |
| Castello de Farfana | city | Cataluna | Spain | 41.82 | 0.73 | 967 | 3751 |
| Castello de la Plana | city | Comunitat Valenciana | Spain | 39.99 | -0.04 | 75 | 109761 |
| Castelloli | city | Cataluna | Spain | 41.60 | 1.70 | 1669 | 5941 |
| Castellon | city | Comunitat Valenciana | Spain | 39.99 | -0.04 | 75 | 109761 |
| Castellon de Ampurias | city | Cataluna | Spain | 42.26 | 3.07 | 32 | 7893 |
| Castellon de la Plana | city | Comunitat Valenciana | Spain | 39.99 | -0.04 | 75 | 109761 |
| Castellonet | city | Comunitat Valenciana | Spain | 38.91 | -0.26 | 830 | 7677 |
| Castellonet de la Conquesta | city | Comunitat Valenciana | Spain | 38.91 | -0.26 | 830 | 7677 |
| Castellonroi | city | Aragon | Spain | 41.89 | 0.51 | 1223 | 1110 |
| Castellonroi / Castillonroy | city | Aragon | Spain | 41.89 | 0.51 | 1223 | 1110 |
| Castellot | city | Aragon | Spain | 40.80 | -0.32 | 2509 | 509 |
| Castellote | city | Aragon | Spain | 40.80 | -0.32 | 2509 | 509 |
| Castells de Castells | city | Comunitat Valenciana | Spain | 38.73 | -0.19 | 2509 | 1259 |
| Castellsera | city | Cataluna | Spain | 41.75 | 0.99 | 885 | 4789 |
| Castelltercol | city | Cataluna | Spain | 41.75 | 2.12 | 2509 | 3597 |
| Castelltersol | city | Cataluna | Spain | 41.75 | 2.12 | 2509 | 3597 |
| Castellvell | city | Cataluna | Spain | 41.18 | 1.10 | 830 | 66704 |
| Castellvell del Camp | city | Cataluna | Spain | 41.18 | 1.10 | 830 | 66704 |
| Castellví de Rosanés | city | Cataluna | Spain | 41.45 | 1.90 | 918 | 51847 |
| Castelló | city | Cataluna | Spain | 42.26 | 3.07 | 32 | 7893 |
| Castelló | city | Cataluna | Spain | 41.01 | 0.85 | 1249 | 3237 |
| Castelló d'Empúries | city | Cataluna | Spain | 42.26 | 3.07 | 32 | 7893 |
| Castelló de Ampurias | city | Cataluna | Spain | 42.26 | 3.07 | 32 | 7893 |
| Castelló de Rugat | city | Comunitat Valenciana | Spain | 38.87 | -0.38 | 1669 | 6951 |
| Castelló de la Ribera | city | Comunitat Valenciana | Spain | 39.08 | -0.51 | 131 | 35899 |
| Castellón de Rugat | city | Comunitat Valenciana | Spain | 38.87 | -0.38 | 1669 | 6951 |
| Castellón de la Plana / Castelló de la Plana | city | Comunitat Valenciana | Spain | 39.99 | -0.04 | 75 | 109761 |
| Castellón de la Plana/Castelló de la Plana | city | Comunitat Valenciana | Spain | 39.99 | -0.04 | 75 | 109761 |
| Castelmaría | city | Galicia | Spain | 42.95 | -7.12 | 1968 | 1669 |
| Castelnou | city | Aragon | Spain | 41.23 | -0.36 | 830 | 618 |
| Castelo | city | Galicia | Spain | 43.66 | -7.44 | 830 | 5565 |
| Castelo | city | Galicia | Spain | 43.24 | -8.38 | 830 | 21763 |
| Castelo | city | Galicia | Spain | 43.14 | -7.55 | 1669 | 3429 |
| Castelo | city | Galicia | Spain | 43.07 | -9.14 | 830 | 3967 |
| Castelo | city | Galicia | Spain | 43.02 | -8.47 | 830 | 3868 |
| Castelo | city | Galicia | Spain | 43.01 | -7.15 | 1788 | 1080 |
| Castelo | city | Galicia | Spain | 42.90 | -7.60 | 1725 | 7063 |
| Castelo | city | Galicia | Spain | 42.87 | -6.91 | 2700 | 720 |
| Castelo | city | Galicia | Spain | 42.86 | -7.17 | 1870 | 1955 |
| Castelo | city | Galicia | Spain | 42.86 | -7.05 | 2509 | 892 |
| Castelo | city | Galicia | Spain | 42.77 | -7.07 | 3349 | 1229 |
| Castelo | city | Galicia | Spain | 42.70 | -7.72 | 1200 | 2210 |
| Castelo | city | Galicia | Spain | 42.69 | -7.44 | 1863 | 1223 |
| Castelo de Frades | city | Galicia | Spain | 42.81 | -6.95 | 3379 | 745 |
| Castelo dos Infantes | city | Galicia | Spain | 42.77 | -7.37 | 1669 | 9608 |
| Casteloais | city | Galicia | Spain | 42.27 | -7.39 | 2844 | 503 |
| Castelserás | city | Aragon | Spain | 40.98 | -0.15 | 1236 | 2807 |
| Castelán | city | Galicia | Spain | 42.91 | -8.88 | 1669 | 3829 |
| Castenda | city | Galicia | Spain | 43.05 | -8.53 | 1669 | 3524 |