| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Alsace | cnl00023958 | France | — | — | |
| Alsfeld | cnl00034969 | Germany | 9.27055555555556 | 50.7516666666667 | |
| Alt-Eckendorf | cnl00019846 | — | — | — | |
| Altdorf | cnl00029122 | Germany | 11.3491666666667 | 49.3830555555556 | |
| Altena | cnl00006792 | Germany | 7.66972222222222 | 51.2997222222222 | |
| Altenburg (Germany) | cnl00006798 | Germany | 12.4491666666667 | 50.9791666666667 | |
| Altenmedingen | cnl00030897 | — | — | — | |
| Alton | cnl00003705 | England | -0.976666666666667 | 51.1497222222222 | |
| Altona | cnl00006030 | Germany | 9.93277777777778 | 53.5491666666667 | |
| Altwasser | cnl00039785 | Germany | — | — | |
| Alzano | cnl00020295 | Italy | 9.72638 | 45.73681 | |
| Amasya | cnl00024102 | Turkey | 35.828819 | 40.652382 | |
| Amberg | cnl00015987 | Germany | 11.8594444444444 | 49.4394444444444 | |
| Amboise | cnl00006838 | France | 0.98 | 47.42 | |
| Ambon | cnl00024070 | Indonesia | 128.18141 | -3.69543 | |
| Amelia | cnl00026405 | Italy | 12.4166666666667 | 42.5491666666667 | |
| Amerongen | — | Netherlands | 5.460833 | 52.0025 | |
| Amersfoort | cnl00016268 | Netherlands | 5.38 | 52.15 | |
| Amiens | cnl00006842 | France | 2.3 | 49.9 | |
| Amiternum | cnl00000045 | Italy | 13.3058333333333 | 42.4005555555556 | |
| Ammendorf | cnl00034429 | Germany | 11.98 | 51.4288888888889 | |
| Ammerstol | cnl00051219 | Netherlands | 4.80833333333333 | 51.9275 | |
| Amstelveen | cnl00005328 | Netherlands | 4.85 | 52.3 | |
| Amsterdam | cnl00016270 | Netherlands | 4.88305555555556 | 52.3666666666667 | |
| Amsterdam [non-CERL] | — | — | — | — |