The territorial scope of CONSORCI dels Colls I Miralpeix - Costa del Garraf is formed by a terrestrial part and part sea.

The Consortium and Miralpeix - Costa del Garraf is an integrated agency who satisfies the provisions of Protocol Integrated Coastal Zone Management in the Mediterranean, adopted by all Member States of the European Union on January 21, 2008, with Law character. The study of this protocol shows that the field of integrated management bodies is defined by municipal boundaries and the limit for territorial waters.

Land area
Protocol of study of Integrated Coastal Zone Management Mediterranean shows that the Consortium's land area consists of the municipal boundaries of the municipalities belonging to the Consortium, ie around the town of the towns of Sitges, Sant Pere de Ribes, Vilanova i la Geltrú and Cubelles.

Marine environment
The marine environment is composed of the territorial waters of the towns that form the terrestrial domain, as set out in Protocol Integrated Coastal Zone Management in the Mediterranean.

The Colls i Miralpeix
The central area which gives its name to the Consortium, known as 'Els Colls' and 'Miralpeix', is part of the Natura 2000 network, which is a European system of protected areas stemming from the Habitats Directive and birds.

This area has been included in the space labeled 'Central Coast Sierras', more than 25,000 hectares of land, which consists of the Massif of Garraf, Ordal the Sierras, Olèrdola, the Foix, its estuary, the Riera de Ribes and Colls and Miralpeix.

Moreover, the entire marine environment of the Consortium, both located in front of Colls and Miralpeix like everything else, has been included in the space labeled 'Costas Garraf', comprising more than 25,000 hectares of marine space and ranging from Cunit coast to Castelldefels.

These two areas, 'Central Coast Sierras' and 'Costas Garraf 'are also SPAs (Special Protection Areas for birds) and, therefore, fall within the protection given PEIN (Plan for Areas of Interest Natural), based on Article 10 of Law 12/2006 of 27 July.

The Action Plan contains other planes Garraf the scope of the Consortium that provide insight into its main elements of interest.