Serendib
Facts
Placement
Plane
Rabiah
Serendib (sair-en-DIHB) is an island on Rabiah the Infinite, populated by vicious Djinni and Efreeti. It is 80 leagues long and 80 wide and features the highest mountain in the world.
Trivia
Serendib is the ancient name of Sri Lanka. The mentioned mountain is Mount Pedro.