Bonn is an unincorporated community in Washington County, in the U.S. state of Ohio.
[1] Bonn was laid out around 1835, and named after Bonn, in Germany, the native land of a large share of the first settlers.
[2] A post office called Bonn was established in 1844, and remained in operation until 1901.
This Washington County, Ohio state location article is a stub.
You can help Wikipedia by expanding it.