Functional Areas in the EU: How Barcelona Metropolitan Area Reconnects with Nature

In 2021, the European Commission launched a pilot project to improve functional area approaches in the EU and has partnered with the World Bank to implement this initiative. As part of the project, the project team collaborated with 12 functional areas from seven EU countries, providing them with tailored technical support and assistance: Zagreb Urban Agglomeration (Croatia), Brno Metropolitan Area (Czech Republic), West Athens (Greece), Lake Balaton Area (Hungary), Kalisz-Ostrów Agglomeration, Kraków Metropolitan Area (Poland), Jiu Valley and Jiu Conurbation Functional Area, Caraș-Timiș Functional Area, Cluj Metropolitan Area, Oradea Metropolitan Area, West Ialomița Functional Area (Romania), and Trenčín Functional Area (Slovakia).