Franklin County is a county located in the U.S. state of Ohio. Its county seat is Columbus, which is also the state capital and the largest city in Ohio. The county was established on April 30, 1803, and was named after Benjamin Franklin. Today, Franklin County is one of the most populous counties in Ohio and serves as a central economic, governmental, and cultural hub for the region.

Columbus, located within Franklin County, includes a wide range of cultural institutions and attractions. These include Center of Science and Industry (COSI), an interactive science museum; the Columbus Museum of Art; and the Franklin Park Conservatory and Botanical Gardens, which features indoor and outdoor plant collections and seasonal exhibits. Public spaces such as Goodale Park provide green space within the urban environment.

Franklin County offers a range of outdoor recreation opportunities through the Columbus and Franklin County Metro Parks system. This system includes multiple parks, natural areas, and trails throughout the county, providing access to hiking, biking, and nature-based activities. Parks are located along rivers, wooded areas, and open green spaces across the region.

The county also hosts community events and local traditions throughout the year. The Franklin County Fair takes place in Hilliard and includes agricultural exhibits, rides, food vendors, and live entertainment. Additional events and festivals occur across Columbus and surrounding communities.

Franklin County also includes historical and cultural sites that reflect the area’s long history, including archaeological sites associated with Indigenous cultures and early settlement in Ohio.

Overall, Franklin County combines urban development, cultural institutions, public parks, and community events as part of the central Ohio region.