These are frequently identified as Troy I-Troy IX. On the interactive map on the home page, the levels are represented by different colors.

In short, Troy I goes back to 3000 BC, while Troy IX represents the Roman era up to 500 AD when an earthquake struck. For the record, Troy VI and VIIa are connected to Homeric Troy.

Instead, the ruins of Troy actually comprise as many as nine different settlements stacked on top of one another, dating from 3000 B.C. to A.D. 500, a broad spectrum that ranges from the early ...