973 map previews across 56 collections

Find the right boundary map for your project

Explore postal, administrative, electoral, local and public-service boundaries for the UK and worldwide. Preview the coverage and real attribute data before choosing a file.

  • Browse 6 clearly organised data categories
  • Search by country, state, region or boundary type
  • Inspect map previews and sample GeoJSON attributes
Browse All 973 Maps View Conversion Tools

Explore 6 Data Categories

Start with the type of boundary you need

Choose a category, then narrow the catalogue by collection, country, state, province or region.

ADAdministrative boundariesCountries, states, districts and municipalities. 585 maps in 12 collections.-> CRCounties and regionsCounty and regional boundary collections. 3 maps in 3 collections.-> ELElectoral boundariesConstituencies, wards and polling districts. 4 maps in 4 collections.-> LOLocal boundariesParishes and detailed local-area boundaries. 1 maps in 1 collections.-> PCPostal boundariesPostcodes, ZIP codes, PIN codes and postal districts. 366 maps in 22 collections.-> PSPublic servicesNHS, healthcare, police and service areas. 14 maps in 14 collections.->
Browse the Complete Map Catalogue

Browse by Location

Go straight to the coverage you need

Search the catalogue by country or region to compare every matching boundary collection in one place.

UKUnited KingdomPostcodes, regions, parishes, constituencies, healthcare and public-service boundaries.-> EUEuropeEuropean postal codes with country-specific and regional versions.-> USUnited StatesZIP codes, ZCTAs, counties, states and detailed administrative boundaries.-> CACanadaForward sortation areas, census divisions and census subdivisions by province.-> AUAustraliaPostal areas and regional coverage for Australian mapping projects.-> GLWorldwideCountries, states, provinces, districts and municipalities around the world.->

Conversion Tools

Convert, simplify & integrate with ease

Powerful online tools to convert, transform and prepare your spatial data.

GJFormat ConversionConvert between GeoJSON, Shapefile, KML, TopoJSON and more. SGSimplify GeometryReduce file size while keeping useful boundary detail. CRSCRS TransformationReproject your data to the coordinate system you need. BPBatch ProcessingProcess multiple files at once and save valuable time.
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Recently Added

Fresh boundary data in the catalogue

Open the newest previews, inspect their attributes and compare them with the rest of the collection.

View Full Catalogue
Newest map63boundary areasnhs_wales_primary_care_clusters

Public services

Wales primary care clusters

Preview the complete coverage and inspect representative GeoJSON fields before opening the product options.

Explore this map →
9 Aug 2026 · Public servicesWales health boards7 boundary areas
9 Aug 2026 · Public servicesUK health boards & ICBs62 boundary areas

How It Works

Move from search to the right dataset

Use the catalogue to understand the coverage and data structure before choosing a product.

Start Searching
01

Search

Describe the coverage you need

Search by place, boundary type or category, then narrow the results by collection and region.
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02

Compare

Open previews side by side

Compare map coverage, boundary-area counts and the geographic level of each available dataset.
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03

Inspect

Check the actual attribute structure

Review representative GeoJSON fields and records before opening the product and download options.
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Example postcode sector boundary map previewReal boundary preview
Sample attributesNameRegionPostcode_District

What You Can Review

See the map and its data before you choose

Each catalogue entry brings the practical details together in one place, so you can check both the geographic coverage and the underlying structure.

  • 01
    Boundary preview

    See the geographic shape and coverage before opening the product.

  • 02
    Sample attributes

    Inspect representative property names and values from the GeoJSON.

  • 03
    Coverage details

    Compare the category, collection, region and number of included areas.

  • 04
    Product options

    Review the available sample, price and final download options.

Explore Map Previews

Built for Real Workflows

Take the boundary data into the tools you already use

Check the product details and sample first, then use a compatible file in desktop GIS, web maps, reporting or your own application.

GISQGIS & ArcGIS

Desktop mapping, analysis and geometry editing.

BIPower BI & analytics

Geographic reporting and data visualisation.

WEBLeaflet & Mapbox

Interactive maps and location-based products.

CODECustom applications

Structured geometry for your own processing.

Frequently Asked Questions

The practical details, before you commit

Product pages and samples contain dataset-specific information. These answers cover the most common questions.

Ask a Different Question
Can I preview a map before choosing it?

Yes. The catalogue provides visual previews, boundary counts and representative attribute data for each map.

Which file formats are available?

Available downloads vary by product. Check the product page and sample, or use the conversion tools to prepare a compatible file.

Will the data work with my software?

GeoJSON and GIS files work with many mapping tools, but you should confirm the format and sample fields against your software.

What coordinate system is used?

Projection details can vary between datasets. Contact us if you need help checking or reprojecting a file.

How do downloads work?

Products configured for online purchase provide their download flow after payment. Contact us where a product requires a custom quote.

Can I inspect sample data first?

Yes. Catalogue previews include representative GeoJSON fields and records, with sample downloads shown where available.

What licence applies to the data?

Usage terms can vary by dataset and intended use. Contact us before purchase if you need confirmation for a specific project.

What if I cannot find the boundary I need?

Send us the location, boundary level and preferred format so we can identify an alternative or discuss custom work.

Need a custom boundary or a different file format?

Tell us the location, level of detail, attributes and output format you need. We can help identify an existing map or discuss a custom mapping project.
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