Its villages include Congo, Englesville (also in Berks County,) Gilbertsville, Niantic, and Sassamansville (also in New Hanover Township.) Its principal routes are Route 73 east-to-west and Route 100 north-to-south.
township | Frederick Douglass | Abington Township, Montgomery County, Pennsylvania | Union Township, Union County, New Jersey | Clinton Township | Union Township | Aboite Township, Allen County, Indiana | West Chester Township, Butler County, Ohio | Wayne Township, Allen County, Indiana | Springfield Township | Insein Township | Warren Township | Township | Springfield Township, Union County, New Jersey | Franklin Township | Clinton Township, St. Louis County, Minnesota | Stillwater Township, Washington County, Minnesota | Stillwater Township | Spring Garden Township, York County, Pennsylvania | Spring Garden Township | Morse Township | Jackson Township | Hamilton Township | Green Township, Hamilton County, Ohio | Fayal Township, St. Louis County, Minnesota | Fayal Township | township (United States) | Olive Township | Morse Township, St. Louis County, Minnesota | McDavitt Township, St. Louis County, Minnesota |
One of those exits is in Douglass Township when PA 100 meets Pennsylvania Route 73 at a Diamond interchange.
Its villages include Fagleysville, Frederick (also in Upper Frederick Township,) Hoffmansville, Layfield, New Hanover, New Hanover Square, and Sassamansville (also in Douglass Township.) Its numbered routes are 73 east-to-west and 663 north-to-south, which join briefly in Layfield.