Frankfurt

General Information:

Population: 756,021(2024)

Country: Germany

The City and Efus:

Barcelona

General Information: Population: 1,702,547 (2024) Country: España Official Website The City and Efus

General Information: Population: 42,998 (2021) Country: France Official Website The City and Efus

Informations générales : Population : 95 580 (2022) Localisation : Italia Site Officiel La ville au sein du réseau :

General Information: Population: 89,278 (2024) Country: Belgique/België/Belgien Official Website The City and Efus