Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Berlin Township is one of the nine townships of Erie County, Ohio, United States. It is part of the Sandusky, Ohio metropolitan statistical area. The 2000 census found 3,702 people in the township, 3,017 of whom lived in the unincorporated portions of the township. The village of Berlin Heights is located in southern Berlin Township.