General Information:
| Population: 25,698 (2021) | 
| Country: Ελλάδα/Greece | 
| Official Website | 
The City and Efus
- Member since 2016
 
			| Population: 25,698 (2021) | 
| Country: Ελλάδα/Greece | 
| Official Website | 
 
				
						
		General Information: Population: 134,231 (2024) Country: Belgique/België/Belgien Official Website The City and Efus
 
				
						
		General Information: Population: 37,271 (2021) Country: France Official Website The City and Efus
 
				
						
		General Information: Population: 49,131 (2024) Country: France Official Website The City and Efus
 
				
						
		General Information: Population: 78,186 (2021) Country: France Official Website The City and Efus