General Information:
| Population: 1,645,000 (2025) | 
| Country: France | 
| Official Website | 
The City and Efus
- Member since 1987
 
			| Population: 1,645,000 (2025) | 
| Country: France | 
| Official Website | 
 
				
						
		General Information : Population: 35,492 (2021) Country: France Official Website The City and Efus
 
				
						
		Informations générales : Population : 91 589 (2024) Localisation : España Site Officiel La ville au sein du réseau :
 
				
						
		General Information: Population: 145,004 (2021) Country: France Official Website The City and Efus
 
				
						
		General Information: Population: 724,903 (2025) Country: Nederland Official Website The City and Efus