Nynrah (Location)

The island of Nynrah is where the Nynrah Ghosts lived. Nothing else is known about this island, except it had at least one village, but the Nynrah Ghosts only inhabited one and also, there was a steep cliff.

Trivia
Nynrah is assumed to be equal to Artakha, because in the Mutran Chronicles, Entry 9, Mutran specifically said 'Crush entire continents beneath our heels, loot the halls of the Nynrah and Artakha (if we could ever find that island again).' (Most probably both locations can be extremely useful places.)

Nynrah is the only place known to have Fe-Matoran