Gretna is a small community located in Pittsylvania County, Virginia. Gretna is known for being in the Danville Metropolitan Statistical Area. Major attractions include the Gretna Theatre and Elba Park. Among the biggest companies in Gretna are Cedarpost Greenhouse & Flowers and Mecklenburg Electric Cooperative. The biggest schools here are Gretna Senior High School and Mount Airy Elementary School. One of the best places to visit when you are in Gretna is the Gretna Town Park.