| # | Name | Hauptstadt | Einwohner [Mio] | Fläche [km²] | Bundesland | Aktionen | |
|---|---|---|---|---|---|---|---|
| 22786 | - | Aachen (kreisfrei) | - | Nordrhein-Westfalen | |||
| 646 | - | Abanga-Bigné | - | Moyen-Ogooué | |||
| 2412 | - | Abim | - | Norden | |||
| 259 | - | Abū Radīs | - | Dschanub Sina (Südsinai) | |||
| 54672 | - | Achaia | - | Westgriechenland | |||
| 2416 | - | Adjumani | - | Norden | |||
| 2420 | - | Agago | - | Norden | |||
| 23449 | - | Ahrweiler (LK) | - | Rheinland-Pfalz | |||
| 7694 | - | Aichach-Friedberg (LK) | - | Bayern | |||
| 52685 | - | Aisne (02) | - | Hauts-de-France | |||
| 3572 | - | Aiyrtau | - | Nordkasachstan | |||
| 29 | - | al-Qusair | - | al-Bahr al-ahmar (Rotes Meer) | |||
| 57788 | - | Albany County | - | New York | |||
| 2424 | - | Alebtong | - | Norden | |||
| 57792 | - | Allegany County | - | New York | |||
| 45780 | - | Allier (03) | - | Auvergne-Rhône-Alpes | |||
| 3640 | - | Almaty (kreisfrei) | - | Städte (ohne Regionszugehörigkeit) | |||
| 53836 | - | Alpes-de-Haute-Provence (04) | - | Provence-Alpes-Côte d’Azur | |||
| 53840 | - | Alpes-Maritimes (06) | - | Provence-Alpes-Côte d’Azur | |||
| 27485 | - | Altenburger Land (LK) | - | Thüringen |