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 , and there are 17 registered sex offenders residing in the city. Unemployment in Gretna is moderate and the median home sales price is $0.