The rules laid down and the abolition of the provinces require one hand to give institutional responses and to compete with the perimeters administrative, and other socio-economic and territorial processes require to deal with the issues of metropolitanisation a large scale and geography variable, according to the dimensions of the themes themselves.

The metropolitan city is an important element of modernization because it breaks down for the first time in two centuries scheme Napoleonic administration. The meeting is a reflection of many voices among institutions, scholars and experts on the real innovations political, administrative, economic and financial implications of new metropolitan city.