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United Kingdom administrative boundaries

4 nations, 12 regions and 361 local authorities, each with its official code, in GeoJSON, TopoJSON, GeoPackage, Shapefile, layered SVG, CSV and SQL.

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nations: 4
regions: 12
local authorities: 361
edition: 2026-05

One of the examples in the package

A layered SVG coloured from a table with a few lines of plain JavaScript: every entity is a path whose id is its official code. The page shows a part of the country: the two levels share the same borders, so they fit without gaps. The package has every entity of every level.

England: the London boroughs, coloured by area, among the other regions.

What is in the package

Levels and identifiers

Level	Entities	Identifier
country	1	`GB`
nations	4	`GB-R-<official code>`
regions	12	`GB-P-<official code>`
local authorities	361	`GB-M-<official code>`

Every entity has the same identifier in every file: it is the feature id in GeoJSON and TopoJSON, the id of the path in SVG and the id column of the tables.

Formats and scales

Format	`full`	`100m`	`1km`	`10km`	`light`
GeoJSON	302.7 MB	8.1 MB	843 KB	30 KB	814 KB
TopoJSON	40.0 MB	1.5 MB	276 KB	12 KB	782 KB
Shapefile	259.8 MB	6.6 MB	684 KB	25 KB	664 KB
SVG	-	7.9 MB	817 KB	30 KB	853 KB

full: the boundaries as published by the source.
100m: simplified within 100 m and coherent: local authorities, regions and nations share exactly the same border vertices.
1km: simplified within 1 km and coherent like 100m, every level: the whole country on a web map.
10km: simplified within 10 km and coherent, country, nations and regions only: small maps and maps of many countries.
At the borders with the neighbouring countries (Ireland) the 100m, 1km and 10km boundaries share the same vertices as in their packages, so the maps fit without gaps or overlaps.
light: country, nations and regions only, each level simplified on its own to a small file.
GeoJSON: one FeatureCollection per level, WGS84. TopoJSON: all the levels in one topology, shared borders are shared arcs.
GeoPackage: data/geopackage/gb.gpkg (269.5 MB), one file for QGIS and ArcGIS with every level at every scale as a layer (municipalities_100m) with its spatial index, and every table of the package.
Shapefile: one per level and scale, WGS84, UTF-8; the columns longer than ten characters are shortened (region, province, abbrev).
SVG: one file per level and one with every level as a layer, in a Lambert conformal conic projection; they open as layers in Illustrator, Figma and Inkscape.
SQL: a script for PostGIS, one for MySQL 8 and one for SQL Server (8.1 MB each). It creates one table with every entity of every level, its 100m boundary in WGS84 and its indexes.
JSON: data/json/tree.json (33 KB), the levels nested and sorted by name, without boundaries: what the select boxes of a form need.

Tables

CSV, UTF-8. Names in EN, IT, ES, FR, DE, NL, PT, besides the official one.

File	Rows	Content
`tables/country.csv`	1	The country: names, population, bounding box, centre and label point. code, name, population, min_lat, min_lng, max_lat, max_lng, center_lat, center_lng, label_lat, label_lng, id, name_en, name_it, name_es, name_fr, name_de, name_nl, name_pt
`tables/regions.csv`	4	The nations: official code, names, area, population, bounding box, centre and label point. code, name, area_km2, population, min_lat, min_lng, max_lat, max_lng, center_lat, center_lng, label_lat, label_lng, id, name_en, name_it, name_es, name_fr, name_de, name_nl, name_pt
`tables/provinces.csv`	12	The regions: official code, abbreviation, the code of the parent, names, area, population, bounding box, centre and label point. code, name, abbreviation, region_code, area_km2, population, min_lat, min_lng, max_lat, max_lng, center_lat, center_lng, label_lat, label_lng, id, name_en, name_it, name_es, name_fr, name_de, name_nl, name_pt
`tables/municipalities.csv`	361	The local authorities: official code, the codes of the parents, names, area, population, elevation in metres (of the centre, or lowest and highest point, as the official source gives it), bounding box, centre and label point. code, name, province_code, province_abbreviation, region_code, cadastral_code, chief_town, area_km2, population, elevation, elevation_min, elevation_max, elevation_mean, min_lat, min_lng, max_lat, max_lng, center_lat, center_lng, label_lat, label_lng, id, name_en, name_it, name_es, name_fr, name_de, name_nl, name_pt
`tables/codes.csv`	378	Every entity in other datasets, as Wikidata declares it: the Wikidata item, ISO 3166-2, GeoNames and the OpenStreetMap relation. id, level, code, wikidata, iso_3166_2, geonames, osm_relation
`tables/names.csv`	689	Every name an entity is written with (official, each side of a bilingual name, translated), without accents and as a slug: to match a file that has names and no codes. id, level, name, name_ascii, slug, kind
`tables/neighbours.csv`	1,802	The entities of the same level that share a border, both ways, with the length of the shared border in km. level, id, neighbour_id, shared_border_km
`tables/history.csv`	0	The suppressed local authorities with the one that replaced them, for archives that still have the old codes; no rows where the official source gives no history. code, name, province_code, replaced_by_code, replaced_by_name
`tables/changes.csv`	0	What changed from one edition of the package to the next, one row per entity added, removed, renamed, moved or with a new boundary: the same as CHANGELOG.md. edition, date, level, id, name, change, before, after

Sources and licenses

The package is a derived work of the official datasets below; their publishers do not endorse it. What you may do with it is in the license of the packages.

Files

All the 153 files of the package, with their size.

`ATTRIBUTION.md`	3 KB
`CHANGELOG.md`	0 KB
`LICENSE.md`	2 KB
`README.md`	12 KB
`data/geojson/100m/country.geojson`	1.4 MB
`data/geojson/100m/municipalities.geojson`	3.4 MB
`data/geojson/100m/provinces.geojson`	1.7 MB
`data/geojson/100m/regions.geojson`	1.5 MB
`data/geojson/10km/country.geojson`	7 KB
`data/geojson/10km/provinces.geojson`	14 KB
`data/geojson/10km/regions.geojson`	9 KB
`data/geojson/1km/country.geojson`	118 KB
`data/geojson/1km/municipalities.geojson`	446 KB
`data/geojson/1km/provinces.geojson`	154 KB
`data/geojson/1km/regions.geojson`	125 KB
`data/geojson/full/municipalities.geojson`	134.9 MB
`data/geojson/full/provinces.geojson`	87.3 MB
`data/geojson/full/regions.geojson`	80.5 MB
`data/geojson/light/country.geojson`	39 KB
`data/geojson/light/provinces.geojson`	582 KB
`data/geojson/light/regions.geojson`	194 KB
`data/geopackage/gb.gpkg`	269.5 MB
`data/json/tree.json`	33 KB
`data/shapefile/100m/country.cpg`	0 KB
`data/shapefile/100m/country.dbf`	0 KB
`data/shapefile/100m/country.prj`	0 KB
`data/shapefile/100m/country.shp`	1.2 MB
`data/shapefile/100m/country.shx`	0 KB
`data/shapefile/100m/municipalities.cpg`	0 KB
`data/shapefile/100m/municipalities.dbf`	45 KB
`data/shapefile/100m/municipalities.prj`	0 KB
`data/shapefile/100m/municipalities.shp`	2.7 MB
`data/shapefile/100m/municipalities.shx`	3 KB
`data/shapefile/100m/provinces.cpg`	0 KB
`data/shapefile/100m/provinces.dbf`	1 KB
`data/shapefile/100m/provinces.prj`	0 KB
`data/shapefile/100m/provinces.shp`	1.4 MB
`data/shapefile/100m/provinces.shx`	0 KB
`data/shapefile/100m/regions.cpg`	0 KB
`data/shapefile/100m/regions.dbf`	0 KB
`data/shapefile/100m/regions.prj`	0 KB
`data/shapefile/100m/regions.shp`	1.2 MB
`data/shapefile/100m/regions.shx`	0 KB
`data/shapefile/10km/country.cpg`	0 KB
`data/shapefile/10km/country.dbf`	0 KB
`data/shapefile/10km/country.prj`	0 KB
`data/shapefile/10km/country.shp`	6 KB
`data/shapefile/10km/country.shx`	0 KB
`data/shapefile/10km/provinces.cpg`	0 KB
`data/shapefile/10km/provinces.dbf`	1 KB
`data/shapefile/10km/provinces.prj`	0 KB
`data/shapefile/10km/provinces.shp`	10 KB
`data/shapefile/10km/provinces.shx`	0 KB
`data/shapefile/10km/regions.cpg`	0 KB
`data/shapefile/10km/regions.dbf`	0 KB
`data/shapefile/10km/regions.prj`	0 KB
`data/shapefile/10km/regions.shp`	7 KB
`data/shapefile/10km/regions.shx`	0 KB
`data/shapefile/1km/country.cpg`	0 KB
`data/shapefile/1km/country.dbf`	0 KB
`data/shapefile/1km/country.prj`	0 KB
`data/shapefile/1km/country.shp`	96 KB
`data/shapefile/1km/country.shx`	0 KB
`data/shapefile/1km/municipalities.cpg`	0 KB
`data/shapefile/1km/municipalities.dbf`	45 KB
`data/shapefile/1km/municipalities.prj`	0 KB
`data/shapefile/1km/municipalities.shp`	311 KB
`data/shapefile/1km/municipalities.shx`	3 KB
`data/shapefile/1km/provinces.cpg`	0 KB
`data/shapefile/1km/provinces.dbf`	1 KB
`data/shapefile/1km/provinces.prj`	0 KB
`data/shapefile/1km/provinces.shp`	124 KB
`data/shapefile/1km/provinces.shx`	0 KB
`data/shapefile/1km/regions.cpg`	0 KB
`data/shapefile/1km/regions.dbf`	0 KB
`data/shapefile/1km/regions.prj`	0 KB
`data/shapefile/1km/regions.shp`	102 KB
`data/shapefile/1km/regions.shx`	0 KB
`data/shapefile/full/municipalities.cpg`	0 KB
`data/shapefile/full/municipalities.dbf`	45 KB
`data/shapefile/full/municipalities.prj`	0 KB
`data/shapefile/full/municipalities.shp`	115.4 MB
`data/shapefile/full/municipalities.shx`	3 KB
`data/shapefile/full/provinces.cpg`	0 KB
`data/shapefile/full/provinces.dbf`	1 KB
`data/shapefile/full/provinces.prj`	0 KB
`data/shapefile/full/provinces.shp`	75.1 MB
`data/shapefile/full/provinces.shx`	0 KB
`data/shapefile/full/regions.cpg`	0 KB
`data/shapefile/full/regions.dbf`	0 KB
`data/shapefile/full/regions.prj`	0 KB
`data/shapefile/full/regions.shp`	69.4 MB
`data/shapefile/full/regions.shx`	0 KB
`data/shapefile/light/country.cpg`	0 KB
`data/shapefile/light/country.dbf`	0 KB
`data/shapefile/light/country.prj`	0 KB
`data/shapefile/light/country.shp`	32 KB
`data/shapefile/light/country.shx`	0 KB
`data/shapefile/light/provinces.cpg`	0 KB
`data/shapefile/light/provinces.dbf`	1 KB
`data/shapefile/light/provinces.prj`	0 KB
`data/shapefile/light/provinces.shp`	472 KB
`data/shapefile/light/provinces.shx`	0 KB
`data/shapefile/light/regions.cpg`	0 KB
`data/shapefile/light/regions.dbf`	0 KB
`data/shapefile/light/regions.prj`	0 KB
`data/shapefile/light/regions.shp`	158 KB
`data/shapefile/light/regions.shx`	0 KB
`data/topojson/100m/gb.topojson`	1.5 MB
`data/topojson/10km/gb.topojson`	12 KB
`data/topojson/1km/gb.topojson`	276 KB
`data/topojson/full/gb.topojson`	40.0 MB
`data/topojson/light/gb.topojson`	782 KB
`examples/choropleth-svg.html`	948 KB
`examples/drill-down-d3.html`	931 KB
`examples/leaflet-geojson.html`	584 KB
`examples/lib/LICENSES.md`	3 KB
`examples/lib/d3.min.js`	273 KB
`examples/lib/leaflet.css`	14 KB
`examples/lib/leaflet.js`	144 KB
`examples/lib/topojson-client.min.js`	7 KB
`examples/point-lookup.html`	1.7 MB
`flags/GB-R-E92000001.svg`	0 KB
`flags/GB-R-N92000002.svg`	94 KB
`flags/GB-R-S92000003.svg`	0 KB
`flags/GB-R-W92000004.svg`	39 KB
`flags/GB.svg`	1 KB
`sql/mysql.sql`	8.1 MB
`sql/postgis.sql`	8.1 MB
`sql/sqlserver.sql`	8.1 MB
`svg/100m/layers.svg`	4.3 MB
`svg/100m/municipalities.svg`	1.8 MB
`svg/100m/provinces.svg`	944 KB
`svg/100m/regions.svg`	820 KB
`svg/10km/layers.svg`	17 KB
`svg/10km/provinces.svg`	8 KB
`svg/10km/regions.svg`	5 KB
`svg/1km/layers.svg`	439 KB
`svg/1km/municipalities.svg`	229 KB
`svg/1km/provinces.svg`	82 KB
`svg/1km/regions.svg`	67 KB
`svg/light/layers.svg`	437 KB
`svg/light/provinces.svg`	312 KB
`svg/light/regions.svg`	104 KB
`tables/changes.csv`	0 KB
`tables/codes.csv`	24 KB
`tables/country.csv`	0 KB
`tables/history.csv`	0 KB
`tables/municipalities.csv`	86 KB
`tables/names.csv`	56 KB
`tables/neighbours.csv`	91 KB
`tables/provinces.csv`	3 KB
`tables/regions.csv`	1 KB

The package of the United Kingdom is not on sale yet. You can try it now: get the free sample, England (9 regions and 296 local authorities) with the same files and formats.