Greer is an unincorporated community in Knox County, in the U.S. state of Ohio.
A former variant name of Greer was Greersville. [1] Greersville was laid out in 1836 by Robert Greer, and named for him. [2] A post office called Greersville was established in 1851, the name was changed to Greer in 1908, and the post office closed in 1949. [3]
40°31′20″N82°12′01″W / 40.52222°N 82.20028°W