| United States Counties (2023, 1:500k) | 3,235 polygons | All 3,235 county and equivalent boundaries as of January 1, 2023, keyed by the FIPS codes that unlock US county statistics. |
| Boston Open Space | 1,012 polygons | 1,012 open space polygons of conservation and recreation interest, regardless of ownership, from Franklin Park to community gardens. |
| Netherlands Provinces | 12 polygons | The 12 provinces from the cadastral registry, boundaries that reproduce the national statistics office's official areas to one decimal. |