Troy, also known as Troia or Ilion, is an ancient city in western Turkey that was inhabited for nearly 4,000 years. It is best known for the Trojan War, a legendary conflict in which the Greeks besieged the city for 10 years, as told in Homer's epic poem, the Iliad.

Troy is believed to have been founded in the late Bronze Age, around 3000 BC, and is located in what is now the northwestern part of Turkey. The city was strategically located near the Dardanelles, a narrow strait that connects the Aegean Sea to the Sea of Marmara and the Black Sea.

The city of Troy was destroyed and rebuilt many times over the centuries, with each new layer of construction built on top of the old. It was finally abandoned in the 14th century AD.

Excavations of the site began in the 19th century and have continued to the present day. The site is divided into nine layers, or "cities," each of which represents a different period of occupation. The most famous of these is the sixth city, which is believed to be the city of Troy described in the Iliad.

Today, visitors to the site can see the remains of the ancient city, including the walls, gates, and buildings. The most famous of these is the Trojan Horse, a large wooden horse used by the Greeks to enter the city and win the war. There is also a museum on site that contains many artifacts from the excavation, including pottery, jewelry, and weapons.