Baseline city data: DaData.ru / https://github.com/hflabs/city
Baseline snapshot ae661bffe572880472249097c9b29c42b09650ea; CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/
Baseline changes: normalized IDs, aliases, slugs, validation and legacy crosswalk. Legacy centers: GeoNames CC BY 4.0.
Baseline timezone geographic lookup: geo-tz 8.1.9 MIT, timezone-boundary-builder / OpenStreetMap ODbL. https://github.com/evansiroky/timezone-boundary-builder
An owner-reviewed city revision may supersede baseline coordinates or zone. Its city page and immutable catalog record identify the separate source and exact release; baseline licensing must not be assumed for that revision.
Not an authoritative current list of every settlement.