Latrobe is a city in Westmoreland County, Pennsylvania, United States. The population was 8,060 as of the 2020 census. A part of the Pittsburgh metropolitan area, it is located near Pennsylvania's scenic Chestnut Ridge. Latrobe was incorporated as a borough in 1854, and as a city in 1999. The current mayor is Eric J. Bartels.

Westmoreland County is a county in the Commonwealth of Pennsylvania, United States, located in the Pittsburgh Metropolitan Statistical Area. As of the 2020 census, the population was 354,663. The county seat is Greensburg and the most populous community is Hempfield Township. It is named after Westmorland, a historic county of England. The county is part of the Southwest Pennsylvania region of the state.