Pleasant Plain is a village in Harlan Township, Warren County, Ohio, United States. The population was 129 at the 2020 census.
Former village school
Harlan Township, Warren County, Ohio
Harlan Township is one of the eleven townships of Warren County, Ohio, United States. It is located in the southeast corner of the county. The population was 4,929 as of the 2020 census.
Sugar Run Valley Baptist Church