| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Casla | city | Galway | Ireland | 53.29 | -9.55 | 26 | 2349 |
| Casla | city | Cantemir | Moldova | 46.14 | 28.33 | 830 | 6675 |
| Casla | city | Tulcea | Romania | 45.17 | 28.72 | 121 | 5540 |
| Casla | city | Castilla y Leon | Spain | 41.17 | -3.66 | 3631 | 764 |
| Caslan | city | Alberta | Canada | 54.63 | -112.51 | 2093 | 2 |
| Caslano | city | Ticino | Switzerland | 45.97 | 8.88 | 869 | 37038 |
| Caslav | city | Stredocesky Kraj | Czech Republic | 49.91 | 15.39 | 830 | 3575 |
| Caslav | city | Czech Republic | 50.66 | 14.27 | 1807 | 3130 | |
| Caslavice | city | Vysocina | Czech Republic | 49.15 | 15.77 | 1669 | 4321 |
| Caslavko | city | Stredocesky Kraj | Czech Republic | 49.59 | 15.00 | 1811 | 2985 |
| Casle | city | Federacija Bosne i Hercegovine | Bosnia & Herzegovina | 44.10 | 18.34 | 3349 | 4619 |
| Caslillejos | city | Zambales | Philippines | 14.93 | 120.20 | 262 | 38618 |
| Caslita | city | Odes'ka Oblast' | Ukraine | 45.41 | 29.04 | 3 | 0 |
| Casllwchwr | city | Swansea | United Kingdom | 51.66 | -4.06 | 121 | 52578 |
| Caslëtte | city | Piemonte | Italy | 45.10 | 7.48 | 1108 | 56424 |