General Information:
| Population: 664,311 (2023) | 
| Country: Nederland | 
| Official Website | 
The City and Efus
- Member since 2007
- Vice-President of Efus
 
			| Population: 664,311 (2023) | 
| Country: Nederland | 
| Official Website | 
 
				
						
		General Information: Population: 198,312 (2021) Country: Italia Official Website The City and Efus
 
				
						
		General Information: Population: 69,965 (2025) Country: France Official Website The City and Efus
 
				
						
		General Information: Population: 683,981 (2022) Country: France Official Website The City and Efus
 
				
						
		General Information: Population: 348,089 (2024) Country: España (Euskadi) Official Website The City and Efus