OPEN DATA · SHARED KNOWLEDGE

Put your boundary
on the map.

Contribute administrative boundaries to gbOpen. Verify your email, upload a ZIP, and follow the checks in your private report. No GitHub account required.

ZIP files up to 512 MiBPrivate uploads & reportsReview before publication

Verify your email

Your email gives you access to your submissions and reports.

Upload your boundary

Country / territory

Administrative level

Choose a submission ZIPOne country and administrative level per ZIPI have included source attribution and license evidence, and understand this file will be reviewed for gbOpen.

BEFORE YOU UPLOAD

A complete ZIP makes
for a smoother review.

One boundary dataset
Include one GeoJSON, or a Shapefile with its companion files, for one country and administrative level.
A meta.txt file
Include the representative year, ISO code, level, source attribution, license name, license evidence URL and source data URL.
License evidence
Use an eligible open license and include its source. A license.png or license.jpg screenshot is recommended.

Projection, geometry & size requirements

Use WGS84 / EPSG:4326 polygon or multipolygon geometry. Checks inspect projection, geometry validity and repairability, names and identifiers.

The compressed ZIP must be at most 512 MiB. Expanded content is limited to 3 GiB, with at most 10,000 archive entries. Remove unrelated files.

Your submission stays private during checks.

Passing checks makes it eligible for review. It does not publish the file or add it to a release. Completed ZIPs are retained for 7 days and reports for 30 days. Incomplete uploads expire after one day.

Put your boundary
on the map.

Verify your email

Upload your boundary

Your private report

Your submissions

Put your boundaryon the map.

Verify your email

Upload your boundary

Your private report

Your submissions

Put your boundary
on the map.