Geographic and language reference data: GeoNames — https://www.geonames.org/
Source: https://download.geonames.org/export/dump/
License: Creative Commons Attribution 4.0 — https://creativecommons.org/licenses/by/4.0/
Adaptation: country-sharded city labels, ASCII search aliases, city-center coordinates, country and ISO 639-1 language catalogs. Country boundary adaptation is described in geo/manifest.json. Source hashes and extraction scope are recorded in manifest.json.
Data is provided as-is; cities1000 covers population >1000 or administrative seats through PPLA3, not every settlement. No country with an empty city list is offered.
