- Decatur, Stephen Decatur - United States naval officer remembered for his heroid deeds (1779-1820)
--1 is a kind of naval officer
- Decatur - a city in central Illinois; Abraham Lincoln practiced law here
--2 is a kind of city, metropolis, urban center
--2 is a part of Illinois, Prairie State, Land of Lincoln, IL- Decatur - a town in northern Alabama on the Tennessee River
--3 is a kind of town
--3 is a part of Alabama, Heart of Dixie, Camellia State, AL - Decatur - a town in northern Alabama on the Tennessee River