A shapefile of gridded squares for French urban centre 200 metre grid with following fields:id: Identifier unique to this urban centre population: Global Human Settlement Layer population estimate within 200 metre cellgeometry: Grid polygons within_uc: Whether the 200 metre cell is within the defined urban centreaccess_pop: The median sum population that can be reached from the centroid of the 200 metre cell within a 45 minute commute by walking, bus and trainproxim_pop: The sum proximal population within an 11.25 kilometre radius of the centroid of the 200 metre celltrans_perf: The transport performance of the 200 metre cell. The percentage ratio of accessible to proximal populationcity_nm: Name of the urban centrecountry_nm: Name of the country that the urban centre belongs to