| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Austria | cnl00033917 | Austria | — | — | |
| Auteuil | cnl00018423 | — | — | — | |
| Autun | cnl00007065 | France | 4.3 | 46.95 | |
| Auxerre | cnl00007067 | France | 3.56 | 47.8 | |
| Avallon | cnl00007069 | France | 3.9 | 47.48 | |
| Aveiro | cnl00036236 | Portugal | -8.64527777777778 | 40.6441666666667 | |
| Avignon | cnl00007078 | France | 4.82 | 43.95 | |
| Avignon [non-CERL] | — | — | — | — | |
| Avila | cnl00027431 | Spain | 4.06666666666667 | 40.65 | |
| Avondale | — | England | — | — | |
| Avranches | cnl00007081 | France | -1.37 | 48.68 | |
| Axel | cnl00024894 | Netherlands | 3.908889 | 51.265556 | |
| Axminster | — | England | — | — | |
| Ayguetinte | cnl00025064 | France | 0.4281 | 43.835 | |
| Azay-le-Ferron | cnl00022245 | France | 1.06666666666667 | 46.85 | |
| Azpeitia | cnl00020560 | Spain | -2.265278 | 43.181944 | |
| Baarland | cnl00020569 | Netherlands | — | — | |
| Bad Kreuznach- Bosenheim | cnl00048054 | — | 7.91361111111111 | 49.8444444444444 | |
| Bad Nauheim | cnl00029185 | Germany | 8.75 | 50.3666666666667 | |
| Bad Ragaz | cnl00031221 | Switzerland | — | — | |
| Bad Schwalbach | cnl00019850 | Germany | 8.06666666666667 | 50.1333333333333 | |
| Badajoz | cnl00007099 | — | -6.9706535 | 38.8794495 | |
| Badaroux | cnl00019635 | — | — | — | |
| Baden | cnl00007100 | Switzerland | 8.3 | 47.4697222222222 | |
| Badia Vangadizza | cnl00022647 | Italy | 11.5 | 45.1 |