A city, the county seat of Monroe County, Florida, United States, in the Florida Keys, situated on the island of Key West and surrounding islands.
An island in the Florida Keys, the westernmost significant cay in the archipelago.
An unincorporated community in the town of Lima, Grant County, Wisconsin.
The Soviet Union: the proper noun Union is the standard English translation of the proper noun Союз (Sojuz), and all-Union is the standard English translation of всесоюзный (vsesojuznyj).
A town in Knox County, Maine.
A city in Union County, Oregon.
A small town in Vernon County, Wisconsin.
A small town in Waupaca County, Wisconsin.
A former unincorporated community in Napa County, California.
A small town in Door County, Wisconsin.
A tiny city in Hardin County, Iowa.
A town in Greene County, Alabama.
An unincorporated community in Clark County, Missouri.
A city, the county seat of Union County, South Carolina.
A small town in Burnett County, Wisconsin.
A town and unincorporated community in Eau Claire County, Wisconsin.
A village and census-designated place in the town of Wakefield, Carroll County, New Hampshire.
A ghost town in Merced County, California.
A small town in Pierce County, Wisconsin.
A city in Montgomery County and Miami County, Ohio.
A hamlet in Madison County, New York.
A town and unincorporated community in Rock County, Wisconsin.
A village on the south cast of the island of Siargao, Surigao del Norte, Philippines.
A large number of townships in the United States, listed under Union Township.
An unincorporated community in Clay Township, Pike County, Indiana.
A city, the county seat of Franklin County, Missouri.
A surname.
A home rule city in Boone County, Kentucky.
Those of the United States that did not secede at the time of the Civil War (of the United States of America).
A small town in Tolland County, Connecticut.
A small town, the county seat of Monroe County, West Virginia.
The Oxford Union (a debating society); not to be conflated with Oxford University Student Union (a students' union).
A town in Neshoba County and Newton County, Mississippi.
A barangay of Ubay, Bohol, Philippines.
A village in McHenry County, Illinois.
A village in Cass County, Nebraska.
An unincorporated community in Floyd County, Virginia.
A community in Central Elgin, Elgin County, Ontario, Canada.
A large town in Broome County, New York.
The 0-10-2 locomotive wheel arrangement.