The Iliad is an ancient Greek epic poem written by Homer, and the battleground of the Iliad is the city of TROY. The city of TROY is a four-letter word, which is also known as Ilion or Ilios. It was the site of the Trojan War, a legendary conflict between the Greeks and the Trojans. The Iliad focuses on the events leading up to the war, and the battles that took place during it. The city of TROY was besieged for 10 years before it finally fell to the Greeks.