Newark is a city in and the county seat of Licking County, Ohio, United States, 40 miles east of Columbus, at the junction of the forks of the Licking River. The population was 47,573 at the 2010 census, which makes it the 20th largest city in Ohio.
It is the site of much of the Newark Earthworks, a major ancient complex built by the Hopewell culture. The Great Circle portion and additional burial mounds are located in the neighboring city of Heath, Ohio. This complex has been designated as a National Historic Landmark and is operated as a state park by the Ohio History Connection.
Wikipedia https://en.wikipedia.org/wiki/Newark,_Ohio
Coordinates 40°3'29.234" N -82°24'4.552" E