rurabe
I think the islands of Psara and Antipsara should be included in the Northern Aegean region, right now the border excludes it.

https://el.wikipedia.org/wiki/el:%CE%A0%CE%B5%CF%81%CE%B9%CF%86%CE%AD%CF%81%CE%B5%CE%B9%CE%B1%20%CE%92%CE%BF%CF%81%CE%B5%CE%AF%CE%BF%CF%85%20%CE%91%CE%B9%CE%B3%CE%B1%CE%AF%CE%BF%CF%85?uselang=en-GB

Not sure how to make the change myself, but happy to learn?