Barad-dûr 

Barad-Dûr Sindarin elvish for "the dark fortress" it is the stronghold and fortress of the dark lord Sauron. A tall tower built upon itself a wall upon wall battle into battlements until reaching a pinnacle. Where the dark Lord's throne sat

Then at last his gaze was held: wall upon wall, battlement upon battlement, black tower of adamant, he saw it: Barad-dûr, Fortress of Sauron. All hope left him.

Barad-dûr by The nerdy overlord December 18, 2023

Barad Dur

Derived From the elvish language of Twengar, also known as The Black Speech Of Mordor, Barad Dur translates into Dark Tower

When you say Barad Dur you are actually spekaing the foulest langauge ever to grace the face of the planet.

Barad Dur by Sauron May 13, 2005