Greenbriar is a town located in the Virginia region of the United States. During the most recent census, Greenbriar had a population of 8,166. Greenbriar is the 114th most poplulated city in the Virginia region, the 4,592nd most populated city in the United States and the 23,479th most populated city in the world. Greenbriar is in the America/New York timezone which is 4 hours behind UTC. Greenbriar adjusts the hour with daylight savings time during the winter months.
Greenbriar is located near sea level (112 meters / 367 feet). The closest cities to Greenbriar are Chantilly (3.5 km / 2.2 miles), Centreville (4.4 km / 2.7 miles), Floris (7.2 km / 4.4 miles), Oakton (8.7 km / 5.4 miles) and Fairfax (8.7 km / 5.4 miles)