Greenbrier is a city in Robertson County, Tennessee, United States.

The city is concentrated along a stretch of U.S. Route 41, southeast of Springfield and northwest of Goodlettsville.

[6] As of the 2020 United States census, there were 6,898 people, 2,393 households, and 1,807 families residing in the town.

It is a large barbecue festival benefiting the high school band program.

This community-wide event provides food, carnival games, live entertainment, local artisans, and family fun.

Additionally, the park has three baseball fields and a small play area for children.