About This Place
Greenbrier is a town in Robertson County, Tennessee, United States. The population was 4,940 at the 2000 census.
Greenbrier is located at 36°25′41″N 86°48′3″W / 36.42806°N 86.80083°W / 36.42806; -86.80083 (36.427990, -86.800905).
According to the United States Census Bureau: this is a quaint town with deep family roots.