Countries of the World by Bordering Sea in 90 Seconds - Map Quiz
Name the seas, oceans, bays and gulfs to guess their bordering countries. As you answer, the map will be filled in.
For the purpose of this quiz the oceans and the Mediterranean Sea are divided on their bordering seas, gulfs and bays. Also seas are devided on large gulfs and bays.
External territories and dependencies are excluded
East Sea presumably refers to many different seas in many different languages (the only other I know for sure is the Baltic). It's an English language quiz so the answers are English, if you go down the route you're suggesting it's a can of worms
Arctic doesn't work
Italy isn't filled in by Mediterranean