Minas Tirith is the capital of Gondor in J.R.R. Tolkien's Middle Earth, and the greatest city of Men. The city plays a significant role in the history of Middle Earth. It is in Minas Tirith guards the West from the evil that comes out of Mordor. If Minas Tirith falls, then men fall, this is why in The Return of The King Sauron attacks Minas Tirith with his vast army.
The city is well known for its multi-level design and the White Tree of Gondor.