Brock is an unincorporated community in Darke County, in the U.S. state of Ohio. [1]
A post office called Brock was established in 1850, and remained in operation until 1906. [2] In addition to the post office, Brock had its own schoolhouse, church, and town hall. [3]
40°15′59″N84°33′31″W / 40.26639°N 84.55861°W