Made with Natural Earth.
Detailed region outlines, populated places, and rivers: Natural Earth 1:10m v5.1.2.
https://www.naturalearthdata.com/
https://www.naturalearthdata.com/about/terms-of-use/
https://github.com/nvkelso/natural-earth-vector/tree/f1890d9f152c896d250a77557a5751a93d494776

Natural Earth raster and vector map data are in the public domain.
Modification, redistribution, and commercial use are permitted without requesting permission.
Natural Earth is supplied as a public service without a guarantee of accuracy.

Local projection, simplification, clipping, place selection, and identifier mapping:
scripts/build-region-details.py
See docs/detailed-map-source.md for processing details and source limitations.

Supplemental Magas coordinate: Wikidata Q5222, P625, revision 2534970281.
https://www.wikidata.org/w/index.php?title=Q5222&oldid=2534970281
Wikidata structured data are available under Creative Commons CC0.
https://creativecommons.org/publicdomain/zero/1.0/

The original overview SVG has a separate MIT license in map-license.txt.

Additional contract-city coordinates: GeoNames, cities500 gazetteer.
https://www.geonames.org/
https://download.geonames.org/export/dump/cities500.zip
https://download.geonames.org/export/dump/readme.txt
GeoNames data are licensed under Creative Commons Attribution 4.0 (CC BY 4.0).
https://creativecommons.org/licenses/by/4.0/
Changes: selected cities mentioned in the contract registers and projected
their WGS84 coordinates into this map's local SVG coordinate system.
The pinned selected source records and archive hash are documented in
docs/contract-city-coordinate-sources.json; processing and exceptions in
docs/contract-city-geography.md and scripts/build-contract-cities.py.