| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Castrallón | city | Galicia | Spain | 42.72 | -8.97 | 1095 | 6037 |
| Castralvo | city | Aragon | Spain | 40.31 | -1.08 | 3349 | 10775 |
| Castrarón | city | Galicia | Spain | 43.01 | -8.99 | 912 | 3394 |
| Castraz | city | Castilla y Leon | Spain | 40.71 | -6.33 | 2542 | 712 |
| Castrecias | city | Castilla y Leon | Spain | 42.71 | -4.20 | 3464 | 1169 |
| Castrejon | city | Castilla y Leon | Spain | 41.25 | -5.17 | 2509 | 1315 |
| Castrejon | city | Castilla y Leon | Spain | 40.91 | -5.88 | 2693 | 817 |
| Castrejón de la Peña | city | Castilla y Leon | Spain | 42.81 | -4.60 | 3654 | 587 |
| Castrellón | city | Galicia | Spain | 42.72 | -8.97 | 1095 | 6037 |
| Castrelo | city | Galicia | Spain | 43.09 | -7.23 | 1712 | 1054 |
| Castrelo | city | Galicia | Spain | 43.07 | -9.05 | 987 | 4027 |
| Castrelo | city | Galicia | Spain | 42.94 | -9.08 | 1249 | 2594 |
| Castrelo | city | Galicia | Spain | 42.68 | -7.25 | 2509 | 1274 |
| Castrelo | city | Galicia | Spain | 42.57 | -8.37 | 1669 | 2562 |
| Castrelo | city | Galicia | Spain | 42.45 | -7.98 | 1669 | 4497 |
| Castrelo | city | Galicia | Spain | 42.37 | -7.35 | 2700 | 1677 |
| Castrelo | city | Galicia | Spain | 42.34 | -7.25 | 2027 | 2353 |
| Castrelo de Abajo | city | Galicia | Spain | 41.95 | -7.20 | 1961 | 1293 |
| Castrelo de Cima | city | Galicia | Spain | 41.96 | -7.21 | 2509 | 1268 |
| Castrelo de Mino | city | Galicia | Spain | 42.29 | -8.11 | 393 | 7235 |
| Castrelo del Valle | city | Galicia | Spain | 41.99 | -7.42 | 1669 | 7826 |
| Castrelos | city | Galicia | Spain | 42.20 | -8.70 | 830 | 199521 |
| Castrelos | city | Castilla y Leon | Spain | 42.00 | -6.90 | 3349 | 298 |
| Castresana | city | Castilla y Leon | Spain | 43.03 | -3.33 | 2509 | 808 |
| Castriciones | city | Castilla y Leon | Spain | 42.93 | -3.31 | 2509 | 1396 |
| Castriellu de Cabreira | city | Castilla y Leon | Spain | 42.34 | -6.54 | 3500 | 199 |
| Castril | city | Andalucia | Spain | 37.80 | -2.78 | 2601 | 1043 |
| Castrillejo de la Olma | city | Castilla y Leon | Spain | 42.25 | -4.62 | 2509 | 1308 |
| Castrillejos del Olmo | city | Castilla y Leon | Spain | 42.25 | -4.62 | 2509 | 1308 |
| Castrillino | city | Castilla y Leon | Spain | 42.65 | -5.51 | 3349 | 8586 |
| Castrillo Matajudíos | city | Castilla y Leon | Spain | 42.31 | -4.17 | 2509 | 558 |
| Castrillo Mota de Judíos | city | Castilla y Leon | Spain | 42.31 | -4.17 | 2509 | 558 |
| Castrillo de Bezana | city | Castilla y Leon | Spain | 42.99 | -3.80 | 2923 | 447 |
| Castrillo de Cabrera | city | Castilla y Leon | Spain | 42.34 | -6.54 | 3500 | 199 |
| Castrillo de Cepeda | city | Castilla y Leon | Spain | 42.58 | -6.02 | 3349 | 1191 |
| Castrillo de Don Juan | city | Castilla y Leon | Spain | 41.79 | -4.07 | 2906 | 734 |
| Castrillo de Duero | city | Castilla y Leon | Spain | 41.57 | -4.02 | 2601 | 1037 |
| Castrillo de Haya | city | Cantabria | Spain | 42.91 | -4.17 | 3622 | 1552 |
| Castrillo de Murcia | city | Castilla y Leon | Spain | 42.36 | -4.06 | 2782 | 883 |
| Castrillo de Onielo | city | Castilla y Leon | Spain | 41.86 | -4.30 | 2739 | 396 |
| Castrillo de Porma | city | Castilla y Leon | Spain | 42.61 | -5.39 | 2926 | 1069 |
| Castrillo de Rucios | city | Castilla y Leon | Spain | 42.54 | -3.72 | 3349 | 98 |
| Castrillo de Ríopisuerga | city | Castilla y Leon | Spain | 42.51 | -4.25 | 2696 | 1298 |
| Castrillo de San Pelayo | city | Castilla y Leon | Spain | 42.43 | -5.87 | 2644 | 6775 |
| Castrillo de Sepúlveda | city | Castilla y Leon | Spain | 41.34 | -3.79 | 3628 | 759 |
| Castrillo de Solarana | city | Castilla y Leon | Spain | 41.98 | -3.67 | 2860 | 1055 |
| Castrillo de Valdelomar | city | Cantabria | Spain | 42.80 | -4.12 | 2818 | 532 |
| Castrillo de Valderaduey | city | Castilla y Leon | Spain | 42.58 | -4.96 | 3349 | 452 |
| Castrillo de Villavega | city | Castilla y Leon | Spain | 42.45 | -4.48 | 2700 | 659 |
| Castrillo de la Guareña | city | Castilla y Leon | Spain | 41.23 | -5.33 | 2509 | 981 |
| Castrillo de la Reina | city | Castilla y Leon | Spain | 41.99 | -3.24 | 3349 | 1055 |
| Castrillo de la Valduerna | city | Castilla y Leon | Spain | 42.32 | -6.13 | 2877 | 1032 |
| Castrillo de la Vega | city | Castilla y Leon | Spain | 41.65 | -3.78 | 2664 | 3060 |
| Castrillo de las Piedras | city | Castilla y Leon | Spain | 42.41 | -5.99 | 2670 | 3554 |
| Castrillo de los Polvazanes | city | Castilla y Leon | Spain | 42.46 | -6.13 | 2864 | 9324 |
| Castrillo del Condado | city | Castilla y Leon | Spain | 42.61 | -5.39 | 2926 | 1069 |
| Castrillo del Monte | city | Castilla y Leon | Spain | 42.52 | -6.41 | 3759 | 656 |
| Castrillo del Val | city | Castilla y Leon | Spain | 42.31 | -3.59 | 3349 | 13800 |
| Castrillo-Matajudíos | city | Castilla y Leon | Spain | 42.31 | -4.17 | 2509 | 558 |
| Castrillo-Tejeriego | city | Castilla y Leon | Spain | 41.70 | -4.37 | 2703 | 722 |
| Castrillon | city | Asturias | Spain | 43.38 | -6.78 | 1916 | 1409 |
| Castrillos del Monte | city | Castilla y Leon | Spain | 42.52 | -6.41 | 3759 | 656 |
| Castrillón | city | Galicia | Spain | 42.93 | -7.38 | 1669 | 2181 |
| Castriz | city | Galicia | Spain | 43.09 | -8.78 | 1151 | 4591 |
| Castriño | city | Galicia | Spain | 42.48 | -8.81 | 111 | 23058 |
| Castro | city | Asturias | Spain | 43.13 | -6.26 | 2509 | 490 |
| Castro | city | Galicia | Spain | 43.55 | -8.18 | 203 | 31247 |
| Castro | city | Galicia | Spain | 43.45 | -7.14 | 830 | 1736 |
| Castro | city | Asturias | Spain | 43.44 | -6.92 | 1669 | 1962 |
| Castro | city | Asturias | Spain | 43.43 | -6.39 | 2509 | 2888 |
| Castro | city | Asturias | Spain | 43.41 | -5.80 | 830 | 36830 |
| Castro | city | Galicia | Spain | 43.37 | -8.18 | 108 | 12723 |
| Castro | city | Asturias | Spain | 43.20 | -6.92 | 2096 | 963 |
| Castro | city | Cantabria | Spain | 43.20 | -4.60 | 1669 | 1883 |
| Castro | city | Galicia | Spain | 43.18 | -8.80 | 830 | 2336 |
| Castro | city | Galicia | Spain | 43.15 | -7.72 | 1669 | 1608 |
| Castro | city | Galicia | Spain | 43.14 | -8.92 | 830 | 4387 |
| Castro | city | Galicia | Spain | 43.11 | -9.00 | 915 | 4361 |
| Castro | city | Galicia | Spain | 43.10 | -7.08 | 2509 | 1043 |
| Castro | city | Galicia | Spain | 43.09 | -8.92 | 830 | 3878 |
| Castro | city | Galicia | Spain | 43.07 | -8.17 | 1669 | 2767 |
| Castro | city | Galicia | Spain | 42.95 | -7.57 | 1669 | 23222 |
| Castro | city | Galicia | Spain | 42.93 | -9.28 | 16 | 5083 |
| Castro | city | Galicia | Spain | 42.92 | -8.02 | 1669 | 5870 |
| Castro | city | Galicia | Spain | 42.78 | -8.39 | 830 | 2863 |
| Castro | city | Galicia | Spain | 42.78 | -7.60 | 2509 | 1955 |
| Castro | city | Galicia | Spain | 42.77 | -7.58 | 2047 | 1978 |
| Castro | city | Galicia | Spain | 42.62 | -8.88 | 13 | 15190 |
| Castro | city | Galicia | Spain | 42.55 | -8.42 | 1774 | 2446 |
| Castro | city | Galicia | Spain | 42.59 | -7.86 | 1778 | 1124 |
| Castro | city | Galicia | Spain | 42.53 | -7.78 | 1984 | 2046 |
| Castro | city | Galicia | Spain | 42.32 | -7.28 | 2834 | 2585 |
| Castro | city | Galicia | Spain | 42.09 | -7.49 | 1689 | 940 |
| Castro | city | Castilla y Leon | Spain | 41.30 | -3.03 | 4232 | 162 |
| Castro | city | Canarias | Spain | 28.08 | -16.56 | 948 | 14167 |
| Castro Caldelas | city | Galicia | Spain | 42.37 | -7.43 | 2532 | 1801 |
| Castro Portela | city | Galicia | Spain | 42.53 | -7.27 | 3349 | 1099 |
| Castro de Alcañices | city | Castilla y Leon | Spain | 41.60 | -6.19 | 2509 | 848 |
| Castro de Amarante | city | Galicia | Spain | 42.82 | -7.95 | 1669 | 2220 |
| Castro de Amarante | city | Galicia | Spain | 42.78 | -7.92 | 1702 | 2375 |
| Castro de Cepeda | city | Castilla y Leon | Spain | 42.66 | -6.03 | 3349 | 708 |
| Castro de Escuadro | city | Galicia | Spain | 42.22 | -7.57 | 2552 | 2395 |
| Castro de Filabres | city | Andalucia | Spain | 37.18 | -2.44 | 2723 | 480 |
| Castro de Fuentiduena | city | Castilla y Leon | Spain | 41.42 | -3.86 | 3635 | 381 |
| Castro de Limés | city | Asturias | Spain | 43.16 | -6.53 | 2614 | 3947 |
| Castro de Oro | city | Galicia | Spain | 43.53 | -7.40 | 157 | 3153 |
| Castro de Rey | city | Galicia | Spain | 43.21 | -7.40 | 1669 | 1726 |
| Castro de Rey | city | Galicia | Spain | 42.72 | -7.57 | 2509 | 1851 |
| Castro de Sanabria | city | Castilla y Leon | Spain | 42.07 | -6.65 | 3349 | 1115 |
| Castro del Condado | city | Castilla y Leon | Spain | 42.69 | -5.39 | 2834 | 886 |
| Castro del Río | city | Andalucia | Spain | 37.69 | -4.48 | 830 | 4043 |
| Castro y Marzán | city | Galicia | Spain | 43.58 | -7.22 | 0 | 3158 |
| Castro-Enríquez | city | Castilla y Leon | Spain | 40.86 | -6.05 | 2522 | 457 |
| Castro-Urdiales | city | Cantabria | Spain | 43.38 | -3.22 | 0 | 12904 |
| Castroane | city | Castilla y Leon | Spain | 42.55 | -5.05 | 2772 | 469 |
| Castrobarto | city | Castilla y Leon | Spain | 43.04 | -3.39 | 2509 | 569 |
| Castrobol | city | Castilla y Leon | Spain | 42.14 | -5.31 | 2539 | 872 |
| Castrocalbón | city | Castilla y Leon | Spain | 42.20 | -5.98 | 2601 | 1394 |
| Castroceniza | city | Castilla y Leon | Spain | 42.00 | -3.53 | 3349 | 473 |
| Castrocontigo | city | Castilla y Leon | Spain | 42.18 | -6.19 | 2936 | 584 |
| Castrocontrigo | city | Castilla y Leon | Spain | 42.18 | -6.19 | 2936 | 584 |
| Castrodeza | city | Castilla y Leon | Spain | 41.65 | -4.96 | 2549 | 1100 |
| Castrofeito | city | Galicia | Spain | 42.92 | -8.38 | 951 | 9897 |
| Castrofoya | city | Galicia | Spain | 42.38 | -7.12 | 1036 | 7010 |
| Castrofuerte | city | Castilla y Leon | Spain | 42.21 | -5.53 | 2509 | 2242 |
| Castrogeriz | city | Castilla y Leon | Spain | 42.29 | -4.14 | 2542 | 566 |
| Castrogonzalo | city | Castilla y Leon | Spain | 41.99 | -5.60 | 2509 | 6380 |
| Castrohinojo | city | Castilla y Leon | Spain | 42.28 | -6.57 | 3349 | 362 |
| Castrojeriz | city | Castilla y Leon | Spain | 42.29 | -4.14 | 2542 | 566 |
| Castrojimeno | city | Castilla y Leon | Spain | 41.40 | -3.85 | 3628 | 472 |
| Castroladron | city | Castilla y Leon | Spain | 41.60 | -6.19 | 2509 | 848 |
| Castrolanzán | city | Galicia | Spain | 42.95 | -7.17 | 2834 | 1795 |
| Castromao | city | Galicia | Spain | 42.24 | -7.05 | 3408 | 746 |
| Castromarigo | city | Galicia | Spain | 42.27 | -7.03 | 3349 | 424 |
| Castromayor | city | Galicia | Spain | 43.35 | -7.55 | 1669 | 1566 |
| Castromayor | city | Galicia | Spain | 42.83 | -7.71 | 1847 | 1905 |
| Castromembibre | city | Castilla y Leon | Spain | 41.67 | -5.30 | 2673 | 761 |
| Castromembribe | city | Castilla y Leon | Spain | 41.67 | -5.30 | 2673 | 761 |
| Castromil | city | Galicia | Spain | 42.00 | -6.98 | 3395 | 852 |
| Castromil | city | Castilla y Leon | Spain | 42.00 | -6.97 | 3362 | 767 |
| Castromocho | city | Castilla y Leon | Spain | 42.03 | -4.82 | 2509 | 487 |
| Castromonte | city | Castilla y Leon | Spain | 41.77 | -5.04 | 2703 | 631 |
| Castromorca | city | Castilla y Leon | Spain | 42.50 | -3.99 | 2877 | 558 |
| Castromourán | city | Asturias | Spain | 43.41 | -7.03 | 1669 | 3797 |
| Castromudarra | city | Castilla y Leon | Spain | 42.61 | -5.06 | 2874 | 488 |
| Castroncan | city | Galicia | Spain | 42.73 | -7.36 | 2509 | 3582 |
| Castroncelos | city | Galicia | Spain | 42.54 | -7.38 | 1669 | 1291 |
| Castronuevo | city | Castilla y Leon | Spain | 41.72 | -5.54 | 2509 | 720 |
| Castronuevo de Esgueva | city | Castilla y Leon | Spain | 41.68 | -4.59 | 2509 | 3423 |
| Castronuevo de Los Arcos | city | Castilla y Leon | Spain | 41.72 | -5.54 | 2509 | 720 |
| Castronuño | city | Castilla y Leon | Spain | 41.39 | -5.26 | 2509 | 955 |
| Castropepe | city | Castilla y Leon | Spain | 41.97 | -5.64 | 2509 | 10458 |
| Castropetre | city | Castilla y Leon | Spain | 42.53 | -6.94 | 2834 | 878 |
| Castropodame | city | Castilla y Leon | Spain | 42.58 | -6.47 | 2591 | 4592 |
| Castropol | city | Asturias | Spain | 43.53 | -7.03 | 160 | 7524 |
| Castroponce | city | Castilla y Leon | Spain | 42.13 | -5.18 | 2509 | 647 |
| Castroquilame | city | Castilla y Leon | Spain | 42.42 | -6.74 | 2001 | 1777 |
| Castrosante | city | Galicia | Spain | 42.58 | -7.41 | 1669 | 1606 |
| Castroserna de Abajo | city | Castilla y Leon | Spain | 41.21 | -3.73 | 3402 | 605 |
| Castroserna de Arriba | city | Castilla y Leon | Spain | 41.19 | -3.72 | 3510 | 698 |
| Castroserracin | city | Castilla y Leon | Spain | 41.39 | -3.80 | 3684 | 361 |
| Castrosin | city | Asturias | Spain | 43.22 | -6.52 | 2509 | 3446 |
| Castrotierra | city | Castilla y Leon | Spain | 42.33 | -5.99 | 2595 | 1534 |
| Castrotierra | city | Castilla y Leon | Spain | 42.35 | -5.25 | 2749 | 689 |
| Castrotierra de la Valduerna | city | Castilla y Leon | Spain | 42.33 | -5.99 | 2595 | 1534 |
| Castrovallese | city | Asturias | Spain | 43.49 | -6.92 | 1161 | 3021 |
| Castrovaselle | city | Asturias | Spain | 43.49 | -6.92 | 1161 | 3021 |
| Castrovega | city | Castilla y Leon | Spain | 42.32 | -5.29 | 2598 | 669 |
| Castrovega de Valmadrigal | city | Castilla y Leon | Spain | 42.32 | -5.29 | 2598 | 669 |
| Castroverde | city | Castilla y Leon | Spain | 41.97 | -5.31 | 2509 | 710 |
| Castroverde | city | Galicia | Spain | 43.03 | -7.32 | 1981 | 1727 |
| Castroverde | city | Castilla y Leon | Spain | 40.71 | -5.87 | 3349 | 427 |
| Castroverde de Campos | city | Castilla y Leon | Spain | 41.97 | -5.31 | 2509 | 710 |
| Castroverde de Cerrato | city | Castilla y Leon | Spain | 41.76 | -4.22 | 2539 | 633 |
| Castrovido | city | Castilla y Leon | Spain | 42.04 | -3.27 | 3497 | 1990 |
| Castroviejo | city | La Rioja | Spain | 42.33 | -1.65 | 1089 | 2277 |