Current composition
| Institut Cartogràfic i Geològic de Catalunya: 9 members |
| County Council of Barcelona |
| County Council of Girona |
| County Council of Lleida |
| County Council of Tarragona: 2 members |
| City Council of Barcelona: 2 members |
| City Council of Girona |
| City Council of l’Hospitalet de Llobregat |
| City Council of Manresa |
| City Council of Reus |
| City Council of Sant Cugat del Vallès |
| City Council of Tarragona |
| Metropolitan Area of Barcelona |
| General Directorate for Urban Planning |