1.	Southern North Sea
2.	Penland Firth & Orkney Waters
3.	Barents Sea & Lofoten area
4.	Celtic Sea
5.	Basque country continental shelf (SE Bay of Biscay)
6.	Strait of Sicily
7.	Inner Ionian Archipelago & adjacent gulfs
8.	Baltic Sea
9.	Black Sea

At the heart of MESMA are the case studies that cover the European Seas: the North Sea, Baltic, Mediterranean, Atlantic, and Black Sea. Here, we specifically focus on competing uses within regions, but also across the different seas. Comparisons on a European scale will help us to come forward with general solutions for conflicts.