Greencastle, Ohio
Greencastle is an unincorporated community in Fairfield County, in the U.S. state of Ohio.
Greencastle was laid out in 1810. A post office called Greencastle was established in 1845, and remained in operation until 1902.
George Washington Glick, 9th Governor of Kansas, was born at Greencastle in 1827.
Coordinates: 39°46′26″N 82°45′39″W / 39.77389°N 82.76083°W
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