Not to be confused with Petit-Couronne.
The Petite Couronne (Little Crown, i.e. Inner Ring) is the hub of the urban agglomeration of Paris. It is formed by the 3 departments of Île-de-France bordering with the French capital and forming a geographical crown around it. The departments, until 1968 part of the disbanded Seine department, are Hauts-de-Seine, Seine-Saint-Denis and Val-de-Marne. The most populated towns of the Petite Couronne are Boulogne-Billancourt, Montreuil, Saint-Denis, Nanterre and Créteil.
The table below shows some statistical information about the area including Paris:
| Department | Area (km²) | Population | Municipalities |
|---|---|---|---|
| Paris (75) | 105.4 | 2,193,031 | 1 (Paris) |
| Hauts-de-Seine (92) | 176 | 1,536,100 | 36 (list) |
| Seine-Saint-Denis (93) | 236 | 1,502,340 | 40 (list) |
| Val-de-Marne (94) | 245 | 1,298,340 | 47 (list) |
| Petite Couronne | 657 | 4,336,780 | 123 |
| Paris + Petite Couronne | 762.4 | 6,529,811 | 124 |
According to INSEE in 2005 the GDP of the 3 departments plus Paris totaled 355 billion euros (€54.615 por capita).
Read more about this topic: Paris Aire Urbaine