Troy is a suburb of Detroit and is situated in affluent Oakland County. Troy is a major shopping area for residents residing in the Detroit area. The city is also the location of a large number of office centers. Troy is the home of automotive corporations and numerous financial companies. The city features the impressive Somerset Mall.

The earliest recorded purchases of land in what was known as Troy Township occurred in 1819. A couple of years later a settlement known as Troy Corners was established due to Johnson Niles buying 160 acres in the region. The area is currently the north-central area of Troy. In 1827 Troy Township was established. In 1955 Troy was officially incorporated primarily as a strategy for preventing border cities from taking more land.