Malline:Ohio

Ohion osavaltio

Alueita	Alleghenyn laakio Bluegrass Connecticut Western Reserve Eriejärvi Great Black Swamp Ohio-joki
Piirikunnat	Adams Allen Ashland Ashtabula Athens Auglaize Belmont Brown Butler Carroll Champaign Clark Clermont Clinton Columbiana Coshocton Crawford Cuyahoga Darke Defiance Delaware Erie Fairfield Fayette Franklin Fulton Gallia Geauga Greene Guernsey Hamilton Hancock Hardin Harrison Henry Highland Hocking Holmes Huron Jackson Jefferson Knox Lake Lawrence Licking Logan Lorain Lucas Madison Mahoning Marion Medina Meigs Mercer Miami Monroe Montgomery Morgan Morrow Muskingum Noble Ottawa Paulding Perry Pickaway Pike Portage Preble Putnam Richland Ross Sandusky Scioto Seneca Shelby Stark Summit Trumbull Tuscarawas Union Van Wert Vinton Warren Washington Wayne Williams Wood Wyandot
Kaupungit (suurimmat)	Akron Ashtabula Canton Cincinnati Cleveland Columbus (pääkaupunki) Cuyahoga Falls Dayton Elyria Hamilton Kettering Lakewood Lorain Mansfield Mentor Middletown Parma Springfield Toledo Youngstown