How many levels of Troy have been excavated?

Archaeological excavations at the ancient site of Troy have revealed multiple levels, with a total of nine distinct layers identified, known as Troy I through Troy IX. Each layer corresponds to different periods of occupation and cultural development, with the most famous, Troy VII, believed to be the city associated with the Trojan War. Excavations have primarily focused on these layers to uncover artifacts, structures, and insights into the life and history of the city.