@twixi you mean that this region not an Ukrainian region anymore and piwik map should be corrected accordingly?
This is disputable region. Anyway... No more politics.
See https://github.com/piwik/piwik/issues/9719 (about build script)
Kherson is not politics! His not show on map only!
closing in favor of https://github.com/matomo-org/matomo/issues/11929