| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Agoncillo | city | La Rioja | Spain | 42.45 | -2.29 | 1069 | 4703 |
| Aguilar | city | La Rioja | Spain | 41.96 | -1.99 | 2509 | 1169 |
| Aguilar de Rio Alhama | city | La Rioja | Spain | 41.96 | -1.99 | 2509 | 1169 |
| Aguilar del Rio Alhama | city | La Rioja | Spain | 41.96 | -1.99 | 2509 | 1169 |
| Ajamil | city | La Rioja | Spain | 42.17 | -2.49 | 3687 | 262 |
| Ajamil de Cameros | city | La Rioja | Spain | 42.17 | -2.49 | 3687 | 262 |
| Albelda de Iregua | city | La Rioja | Spain | 42.36 | -2.47 | 2040 | 7073 |
| Alberit | city | La Rioja | Spain | 42.41 | -2.44 | 1669 | 28348 |
| Alberite | city | La Rioja | Spain | 42.41 | -2.44 | 1669 | 28348 |
| Alcanadre | city | La Rioja | Spain | 42.40 | -2.12 | 1210 | 3798 |
| Alcanadro | city | La Rioja | Spain | 42.40 | -2.12 | 1210 | 3798 |
| Alcandre | city | La Rioja | Spain | 42.40 | -2.12 | 1210 | 3798 |
| Aldealobos | city | La Rioja | Spain | 42.31 | -2.20 | 2509 | 1000 |
| Aldeanueva de Cameros | city | La Rioja | Spain | 42.15 | -2.62 | 4356 | 327 |
| Aldeanueva de Ebro | city | La Rioja | Spain | 42.23 | -1.89 | 1072 | 14229 |
| Alecanadre | city | La Rioja | Spain | 42.40 | -2.12 | 1210 | 3798 |
| Alesanco | city | La Rioja | Spain | 42.41 | -2.82 | 1827 | 3880 |
| Alesón | city | La Rioja | Spain | 42.41 | -2.69 | 1906 | 4902 |
| Alfaro | city | La Rioja | Spain | 42.18 | -1.75 | 1000 | 7459 |
| Almarza de Cameros | city | La Rioja | Spain | 42.22 | -2.60 | 3661 | 406 |
| Altuzarra | city | La Rioja | Spain | 42.23 | -3.03 | 4189 | 994 |
| Ambas Aguas | city | La Rioja | Spain | 42.12 | -2.17 | 2910 | 349 |
| Ambas Aguas o Entrambas Aguas | city | La Rioja | Spain | 42.12 | -2.17 | 2910 | 349 |
| Amunartia | city | La Rioja | Spain | 42.35 | -3.04 | 3349 | 816 |
| Anguciana | city | La Rioja | Spain | 42.57 | -2.90 | 1669 | 8410 |
| Anguiano | city | La Rioja | Spain | 42.26 | -2.76 | 2604 | 942 |
| Anguta | city | La Rioja | Spain | 42.34 | -3.09 | 4219 | 679 |
| Arenzana de Abajo | city | La Rioja | Spain | 42.39 | -2.72 | 1876 | 7253 |
| Arenzana de Arriba | city | La Rioja | Spain | 42.39 | -2.69 | 2509 | 4552 |
| Arnediello | city | La Rioja | Spain | 42.21 | -2.24 | 2929 | 702 |
| Arnedillo | city | La Rioja | Spain | 42.21 | -2.24 | 2929 | 702 |
| Arnedo | city | La Rioja | Spain | 42.23 | -2.10 | 1715 | 13725 |
| Arrúbal | city | La Rioja | Spain | 42.43 | -2.25 | 1059 | 4029 |
| Arviza | city | La Rioja | Spain | 42.38 | -3.00 | 2509 | 1756 |
| Arviza Barrena | city | La Rioja | Spain | 42.38 | -3.00 | 2509 | 1756 |
| Arviza o Arviza Barrena | city | La Rioja | Spain | 42.38 | -3.00 | 2509 | 1756 |
| Atiliana | city | La Rioja | Spain | 42.39 | -2.53 | 1833 | 9711 |
| Ausejo | city | La Rioja | Spain | 42.34 | -2.17 | 1738 | 1420 |
| Autol | city | La Rioja | Spain | 42.22 | -2.01 | 1669 | 5185 |
| Avellaneda | city | La Rioja | Spain | 42.17 | -2.42 | 4189 | 178 |
| Ayabarrena | city | La Rioja | Spain | 42.25 | -3.05 | 3349 | 1103 |
| Azarrulla | city | La Rioja | Spain | 42.27 | -3.03 | 4189 | 1156 |
| Azofra | city | La Rioja | Spain | 42.42 | -2.80 | 1765 | 4633 |