Lenox is a town in Berkshire County, Massachusetts, United States. The town is in Western Massachusetts and part of the Pittsfield Metropolitan Statistical Area. The population was 5,095 at the 2020 census. Lenox is the site of Shakespeare & Company and Tanglewood, summer home of the Boston Symphony Orchestra. Lenox includes the villages of New Lenox and Lenoxdale, and is a tourist destination during the summer.

Berkshire County is the westernmost county in the U.S. state of Massachusetts. As of the 2020 census, the population was 129,026. Its largest city and traditional county seat is Pittsfield. The county was founded in 1761. The Berkshire Hills are centered on Berkshire County. Residents are known as Berkshirites. It exists today only as a historical geographic region, and has no county government, with the exception of the retirement board for former county workers, and certain offices such as the sheriff and registry of deeds.