- Charles, Prince Charles - the eldest son of Elizabeth II and heir to the English throne (born in 1948)
--1 is a kind of Prince of Wales
- Charles, Jacques Charles, Jacques Alexandre Cesar Charles - French physicist and uathor of Charles's law which anticipated Gay-Lussac's law (1746-1823)
--2 is a kind of physicist
- Charles, Charles River - a river in eastern Massachusetts that empties into Boston Harbor and that separates Cambridge from Boston
--3 is a kind of river
--3 is a part of Massachusetts, Bay State, Old Colony, MA