General Information:
| Population: 67,877 (2024) | 
| Country: Belgique/België/Belgien | 
| Official Website | 
The City and Efus
- Member since 2017
 
			| Population: 67,877 (2024) | 
| Country: Belgique/België/Belgien | 
| Official Website | 
 
				
						
		General Information: Population: 134,231 (2024) Country: Belgique/België/Belgien Official Website The City and Efus
 
				
						
		General Information: Population: 33,266 (2021) Country: France Official Website The City and Efus
 
				
						
		General Information: Population: 30,000 (2023) Country: France Official Website The City and Efus
 
				
						
		General Information: Population: 16 865 (2021) Country: France Official Website The City and Efus