The biprovincial metropolitan region containing Ottawa, Ontario and Gatineau, Quebec in Canada.
A county of Ohio, United States. County seat: Ottawa.
A county of Illinois, United States. County seat: Hennepin.
A county of Georgia, United States. County seat: Eatonton.
A county of Tennessee, United States. County seat: Cookeville.
A county of Indiana, United States. County seat: Greencastle.
A county of Missouri, United States. County seat: Unionville.
A county of West Virginia, United States. County seat: Winfield.
A county of Florida, United States. County seat: Palatka.
A county of New York, United States. County seat: Carmel.