Batavia is an unincorporated community in Boone County, Arkansas, United States. Batavia is located on Arkansas Highway 392 5.0 miles (8.0 km) west-northwest of Harrison.Batavia was a former incorporated town. In 1880, Roswell Underwood established the first post office in the former town. He named it Batavia after his hometown of Batavia, New York. The town was laid out in blocks. The first house on Main Street was built in 1912. Arkansas Highway 206 is where Main Street used to be located.