Atlantic

Mediterranean Sea
Caribbean
South Africa, Westkap

Indian Ocean

Red Sea
India & India & Sri Lanka
Australia, WA NW

Pazific Ocean

Philippines, Luzon
Hawaii
Mikronesia
Melanesia
 
User Polygon

Regions can now be created individually. It's simple. How this works is described here

 
 
 
 
 
 
 
 
 
- without grouping -