arrondissement open data

Geographic boundaries and administrative identifiers for French arrondissements, including official names and INSEE codes for departments and regions.

333 features

Municipal Arrondissements of the France, 2025. The 45 municipal districts of Paris (20), Lyon (9), Marseille (16). code_insee is the ARM code; code_insee_de_la_commune_de_rattach links to the parent commune.

45 features

Arrondissements (Arrondissementen / Arrondissements) of the Belgium, 2025. ADM2-sub. 43 administrative arrondissements. niscode is the 5-digit BE-NIS code (string, leading zeros are data). Trilingual names. REPUBLISH 2026-08-26: replaces cm_hdhnrBwI6sxv (dataset hAfUJi2McyCA), whose geometry was transposed (lon/lat swapped) by the boundary axis-swap defect: a 3D interchange GeoJSON is stamped EPSG:4979, whose authority axis order is (lat,lon,h), and ST_Transform honoured it. Fixed by always_xy=true in geo-ingest/crs.ts. These are the exact bytes verified on dev as cizM8Rx1V4GI — promoted, not re-produced, so prod and dev carry byte-identical geometry. Gate: bounds bracket the source exactly, 43/43 features.

43 features

Official administrative boundaries and identifiers for the 20 arrondissements of Paris, used for geographic reference and mapping.

20 features