2 May 2023
The Region of Castilla y León re-joins AREPO
14 December 2022
The Grand Est Region joins AREPO
23 April 2020
The Region of Bourgogne-Franche-Comté joined AREPO
28 January 2019
The Region of Baden-Württemberg joins AREPO
19 February 2018
The Region of Central Macedonia joins AREPO
20 November 2017
The Region of Epirus joins AREPO
2 August 2017
The Western Macedonia Region joins as observer
6 June 2017
Thessaly (Greece) decided to join AREPO / La Thessalie (Grèce) a décidé de rejoindre l’AREPO
2 December 2014
The Sardinia Region joins as observer
10 November 2014
The Extremadura Region joins AREPO
3 November 2014
The Friuli Venezia Giulia Region joins AREPO
15 July 2014
The Campania Region joins as observer
19 June 2013
Malopolska officially joins AREPO
5 April 2013
Bavaria officially joined AREPO
22 June 2012