Philothea is an unincorporated community in Mercer County, in the U.S. state of Ohio. [1]
A post office called Philothea was established in 1886, and remained in operation until 1904. [2] Besides the post office, Philothea had a Catholic church and several stores. [3]
40°27′02″N 84°39′13″W / 40.45056°N 84.65361°W