City coordinates: GeoNames (https://www.geonames.org/).
Source: https://download.geonames.org/export/dump/TR.zip, retrieved 2026-10-23.
Licensed under Creative Commons Attribution 4.0: https://creativecommons.org/licenses/by/4.0/
Twenty city-center records selected. Coordinates unchanged; display names localized.
Provided as-is, without warranty of accuracy.