In the department of the Var, a co-operation in the field of geographical information has developed for several years between the services of the State, the rooms consular and some communities. Mutualized data are accessible on Internet site "". They are controls by the partnership conventions signed between the various services. The amplification and the organization of this interdepartmental co-operation and inter-communities as regards Geographical Information System are strong stakes for the services of the State but also for the Department of the Var to allow synergies as well as to minimize the costs of later maintenance and development. Today, we have the honor to present to you this work, resulting from a collaboration between the various partners intervening in the field of geographical information and I also invite you to visit the site animated by the DDE 83.