Greenbush is an unincorporated community in Preble County, in the U.S. state of Ohio.[1]
A post office called Greenbush was established in 1852, and remained in operation until 1906.[2] Greenbush was platted in 1861.[3]
39°36′05″N 84°29′55″W / 39.60139°N 84.49861°W