Berlin Heights is a village in Erie County, Ohio, United States. The population was 714 at the 2010 census. It is part of the Sandusky, Ohio Metropolitan Statistical Area.The village is in Berlin Township. The local school system is Edison Local Schools, as Berlin Township and Milan Township merged their separate school systems in the 1960s. The local high school is Edison High School, and the athletic teams are known as the Edison Chargers. Berlin Heights was home to Edison High School's first principal Carroll "Snag" Sanders.In the late 1850s a branch of the "free love" movement was established in Berlin Heights.