Who controls the Mediterranean Sea?

Bordering Countries
Twenty-one modern states have a coastline on the Mediterranean Sea. They are: Europe (from west to east): Spain, France, Monaco, Italy, the island state of Malta, Slovenia, Croatia, Bosnia and Herzegovina, Montenegro, Albania, Greece.

Is Santorini Greece part of the sea?

One of Greeceā€™s hidden gems of the Mediterranean Sea is known as Santorini.