| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cuadrillero de los Dieces | city | Castilla y Leon | Spain | 41.11 | -5.96 | 2582 | 1142 |
| Cuadrilleros de Gusanos | city | Castilla y Leon | Spain | 41.15 | -6.08 | 2509 | 575 |
| Cuadros | city | Castilla y Leon | Spain | 42.71 | -5.64 | 2890 | 1997 |
| Cuardo | city | Castilla y Leon | Spain | 42.79 | -4.85 | 3746 | 8457 |
| Cubilla | city | Castilla y Leon | Spain | 42.72 | -3.17 | 3349 | 517 |
| Cubilla | city | Castilla y Leon | Spain | 41.75 | -2.94 | 3720 | 335 |
| Cubillas | city | Castilla y Leon | Spain | 41.73 | -2.95 | 3359 | 324 |
| Cubillas | city | Castilla y Leon | Spain | 41.44 | -5.22 | 2509 | 934 |
| Cubillas de Arbas | city | Castilla y Leon | Spain | 42.93 | -5.81 | 4498 | 1029 |
| Cubillas de Cerrato | city | Castilla y Leon | Spain | 41.80 | -4.47 | 2509 | 700 |
| Cubillas de Rueda | city | Castilla y Leon | Spain | 42.66 | -5.18 | 3349 | 683 |
| Cubillas de Santa Marta | city | Castilla y Leon | Spain | 41.83 | -4.61 | 2509 | 1223 |
| Cubillas de los Oteros | city | Castilla y Leon | Spain | 42.37 | -5.51 | 2572 | 2009 |
| Cubillejo | city | Castilla y Leon | Spain | 42.14 | -3.51 | 3474 | 270 |
| Cubillinos | city | Castilla y Leon | Spain | 42.64 | -6.56 | 2509 | 7636 |
| Cubillo | city | Castilla y Leon | Spain | 41.12 | -3.91 | 3569 | 503 |
| Cubillo de Castrejón | city | Castilla y Leon | Spain | 42.81 | -4.57 | 3700 | 572 |
| Cubillo de Ojeda | city | Castilla y Leon | Spain | 42.80 | -4.44 | 3503 | 858 |
| Cubillo del Butron | city | Castilla y Leon | Spain | 42.80 | -3.69 | 3349 | 102 |
| Cubillo del Campo | city | Castilla y Leon | Spain | 42.17 | -3.61 | 3349 | 441 |
| Cubillo del Cesar | city | Castilla y Leon | Spain | 42.15 | -3.54 | 3520 | 317 |
| Cubillos | city | Castilla y Leon | Spain | 41.57 | -5.74 | 2509 | 11874 |
| Cubillos | city | Castilla y Leon | Spain | 41.73 | -2.95 | 3359 | 324 |
| Cubillos de Losa | city | Castilla y Leon | Spain | 43.01 | -3.44 | 2509 | 1247 |
| Cubillos del Rojo | city | Castilla y Leon | Spain | 42.93 | -3.72 | 3349 | 332 |
| Cubillos del Sil | city | Castilla y Leon | Spain | 42.63 | -6.56 | 2011 | 9618 |
| Cubo | city | Castilla y Leon | Spain | 42.64 | -3.21 | 2509 | 689 |
| Cubo de Benavente | city | Castilla y Leon | Spain | 42.12 | -6.16 | 2693 | 584 |
| Cubo de Bureba | city | Castilla y Leon | Spain | 42.64 | -3.21 | 2509 | 689 |
| Cubo de Hogueras | city | Castilla y Leon | Spain | 41.73 | -2.35 | 3349 | 321 |
| Cubo de la Sierra | city | Castilla y Leon | Spain | 41.92 | -2.44 | 4189 | 451 |
| Cubo de la Solana | city | Castilla y Leon | Spain | 41.60 | -2.42 | 3349 | 156 |
| Cucho | city | Castilla y Leon | Spain | 42.74 | -2.77 | 1820 | 1064 |
| Cuelgamures | city | Castilla y Leon | Spain | 41.31 | -5.66 | 2562 | 1288 |
| Cuellar de la Sierra | city | Castilla y Leon | Spain | 41.91 | -2.35 | 3743 | 339 |
| Cuenabres | city | Castilla y Leon | Spain | 43.07 | -4.99 | 4265 | 332 |
| Cuenca | city | Castilla y Leon | Spain | 42.06 | -5.06 | 2522 | 1283 |
| Cuenca de Campos | city | Castilla y Leon | Spain | 42.06 | -5.06 | 2522 | 1283 |
| Cuerno | city | Castilla y Leon | Spain | 42.73 | -4.65 | 3366 | 364 |
| Cuerva | city | Castilla y Leon | Spain | 42.76 | -3.23 | 2509 | 570 |
| Cuesta | city | Castilla y Leon | Spain | 41.08 | -3.96 | 3677 | 750 |
| Cuestaedo | city | Castilla y Leon | Spain | 43.04 | -3.52 | 2509 | 990 |
| Cueto | city | Castilla y Leon | Spain | 42.63 | -6.65 | 1843 | 7754 |
| Cueva | city | Castilla y Leon | Spain | 43.04 | -3.67 | 2719 | 313 |
| Cueva de Juarros | city | Castilla y Leon | Spain | 42.28 | -3.54 | 3349 | 944 |
| Cueva de Manzanedo | city | Castilla y Leon | Spain | 42.90 | -3.71 | 1998 | 260 |
| Cueva de Ágreda | city | Castilla y Leon | Spain | 41.76 | -1.89 | 4399 | 1458 |
| Cueva-Cardiel | city | Castilla y Leon | Spain | 42.46 | -3.35 | 2837 | 802 |
| Cuevas | city | Castilla y Leon | Spain | 42.82 | -5.75 | 4189 | 1433 |
| Cuevas | city | Castilla y Leon | Spain | 42.42 | -6.03 | 2719 | 4762 |
| Cuevas de Amaya | city | Castilla y Leon | Spain | 42.64 | -4.24 | 3349 | 504 |
| Cuevas de Ayllón | city | Castilla y Leon | Spain | 41.39 | -3.31 | 3625 | 548 |
| Cuevas de Provanco | city | Castilla y Leon | Spain | 41.54 | -3.96 | 3349 | 769 |
| Cuevas de San Clemente | city | Castilla y Leon | Spain | 42.13 | -3.57 | 3398 | 427 |
| Cuevas de Viñayo | city | Castilla y Leon | Spain | 42.82 | -5.75 | 4189 | 1433 |
| Cuevas del Sil | city | Castilla y Leon | Spain | 42.89 | -6.39 | 3667 | 1609 |
| Cuevas del Valle | city | Castilla y Leon | Spain | 40.29 | -5.01 | 2677 | 1918 |
| Cuezva | city | Castilla y Leon | Spain | 42.76 | -3.23 | 2509 | 570 |
| Cuillas del Valle | city | Castilla y Leon | Spain | 42.79 | -4.01 | 2509 | 296 |
| Culebros | city | Castilla y Leon | Spain | 42.64 | -6.10 | 3349 | 321 |
| Cunas | city | Castilla y Leon | Spain | 42.25 | -6.38 | 4189 | 298 |
| Cunquilla de Vidriales | city | Castilla y Leon | Spain | 42.05 | -5.90 | 2509 | 1296 |
| Curiel | city | Castilla y Leon | Spain | 41.64 | -4.10 | 2900 | 2140 |
| Curiel de Duero | city | Castilla y Leon | Spain | 41.64 | -4.10 | 2900 | 2140 |
| Curillas | city | Castilla y Leon | Spain | 42.37 | -6.07 | 2913 | 709 |
| Curueña | city | Castilla y Leon | Spain | 42.83 | -5.98 | 4317 | 302 |
| Curuña | city | Castilla y Leon | Spain | 41.77 | -3.39 | 3349 | 713 |
| Cuzcurrita | city | Castilla y Leon | Spain | 41.68 | -3.42 | 3349 | 616 |
| Cuzcurrita de Aranda | city | Castilla y Leon | Spain | 41.68 | -3.42 | 3349 | 616 |
| Cuzcurrita de Juarros | city | Castilla y Leon | Spain | 42.29 | -3.53 | 3349 | 1097 |
| Cuéllar | city | Castilla y Leon | Spain | 41.40 | -4.31 | 2703 | 3851 |
| Cuéllar | city | Castilla y Leon | Spain | 40.64 | -6.66 | 1994 | 561 |