There's more than one place called '''Petersburg''' or '''Petersburgh''':
Petersburg - a town in Alaska
Petersburg (Georgia)
Petersburg (Illinois)
Petersburg (Indiana)
Petersburg (Iowa)
Petersburg (Kentucky)
Petersburg (Michigan)
Petersburg (Nebraska)
Petersburg (Ohio)
Petersburg (Pennsylvania)
Petersburg (Tennessee)
Petersburg (Virginia)
Petersburg (West Virginia)
Petersburgh (New York)
See also
Saint Petersburg (disambiguation)