As a result of the urban and structural concentration of the suburbs, the cities expand and get involved in the increasing processes of the adjoining areas, creating socio-spatial societies called metropolitan areas or regions. The metropolitan area assumes the approach as a partnership system on long and medium development, focusing on the possibilities offers of living, which are necessary and relaxing for the population from the area, business opportunities, investments, arrangements for the academic and research institutions, solving the issues of the environment, attracting funds for an infrastructure etc., fundaments that allows a territorial development for more locations from the area and the immediate surroundings. According to the Urbanism Law 350 from 2001, annex II, the metropolitan territory is defined as the surface situated circa the first rang districts, including the places situated till 30 km distance, where the mutual relations of influence are created, in the field of the communication means, economy, social, cultural and town infrastructure. At the beginning of 2003, the Collaboration Agreement has been signed between the Council of the District Iasi, the Municipal Council and the Coordinators of the Program GRASP (Governance Reform and Sustainable Partnerships) regarding the approach of the development project of the metropolis. On 8th of April 2004, The Council of the District Iasi, the Municipal Council Iasi and the Municipal Councils of the 13 enclosed villages have signed the constitution act of the Metropolitan Area of Iasi and they have created the Metropolis Council of Iasi, founding the regional development. Therefore, the development of the area can be made by elaborating a proper plan of the metropolitan territory. Its purpose is to obtain a global frame and a unitary documentation regarding the possibilities of development – in the concept of a lasting development – of this territory in a district and national context.