Gretna is located in Pittsylvania County, VA. The population is 1,409, making Gretna the 3rd largest city in Pittsylvania County.
There are 4 public schools in Gretna with an average Homefacts rating of B-. The total crime rate for Gretna is low, and there are 20 registered sex offenders residing in the city. Unemployment in Gretna is moderate and the median home sales price is $0.