Franklin County is in Mid-Ohio. By population, it is the 2nd largest of Ohio's counties. The county seat is Columbus, the state capital.
Some of these Cities are suburban areas to Columbus, but are separate municipalities with there own government and are served by Franklin County services like the Health Dept. and some safety services.
- Battelle Darby Creek , Southwestern Franklin County. 6,600 acre park along the Big and Little Darby creeks. Cross-country skiing, Hiking trails, Pet trail, Picnicking, Canoeing, Fishing, Hunting, Ice-skating, Nature programs.
- Franklin County Metro-Parks  Open daily, no admission charge, Wild Places and Open Spaces, one of Central Ohio’s largest landowners with fifteen parks, conveniently located throughout the area. Miles of trails through beautiful prairies, forests or wetlands. 2,200 species of plants and animals.
Columbus has spawned tremendous investment in Franklin County and north into Delaware County At times they all appear to be one area, but they have different government entities providing different services.
I 71 and I 70 intersect in Franklin County.
- Port Columbus International Airport (IATA: CMH), 4600 International Gateway, ☎ 614-239-4083, . Port Columbus is served by all the major airlines, with direct flights to most major American cities. edit