Lord of the Rings Mordor Terrain Showcase
Mordor was a black volcanic plain in the southeast of Middle-earth to the East of Gondor, Ithilien and the great river Anduin. Mordor was chosen to be Sauron's fortress because of the mountain ranges surrounding it on three sides, creating a natural fortress against his enemies.
Ash nazg durbatulûk, ash nazg gimbatul,
Ash nazg thrakatulûk agh burzum-ishi krimpatul.