Florence County, SC

History

Florence County was formed from main sections of Darlington and Marion Counties plus other townships from Williamsburg and Clarendon Counties, starting in 1888. The last section of Williamsburg County was not added until 1921. Florence County was named for the daughter of General W. W. Harlee.
Source: Wikipedia

Modern Day Adjacent Counties

Williamsburg County – south
Marion County – east
Dillon County – north
Marlboro County – north
Darlington County – northwest
Lee County – west
Sumter County – southwest
Clarendon County – southwest

Gleanings from