Answer
Grayson represented the 8th and 9th congressional districts in Florida. He was elected to the 8th district in 2008 and to the 9th district in 2012. The 8th district was based in Jacksonville and included parts of Duval County, St. Johns County, and Clay County. The 9th district was based in Tampa and included parts of Hillsborough County, Pasco County, and Hernando County.