GeoNames / CC BY 4.0
Source: https://download.geonames.org/export/dump/cities1000.zip
Terms: https://www.geonames.org/about.html
License: https://creativecommons.org/licenses/by/4.0/
Used database: cities-region.json. Download date: 2026-10-10.
Changes: geographic clipping, population and settlement-code filters, label ranking,
selection of fields and locally authored Polish translations of selected names.
Exact constants, source/output hashes and comparison: /data-licenses/static-provenance.json.
Rebuild script: scripts/build-documented-basemap.py in the application source.
This notice licenses the relevant GeoNames data, not the whole application.