Free city
Free city may refer to:
- City-state, region controlled exclusively by a sovereign city
- Free city (antiquity) a self-governed city during the Hellenistic and Roman Imperial eras
- Free City (album), album by the St. Lunatics
- Free City of Danzig and Free City of Danzig (Napoleonic), two historical city-states that existed in what is now Gdańsk, Poland
- Free Imperial City, self-governed city in the Holy Roman Empire subordinate only to the emperor
- Royal free city, or free royal city, a term for a self-governed city in the Kingdom of Hungary
- Free City of Bremen, from 1646 to 1871, with the name still officially surviving, in what is now Germany
- Free City of Lübeck, from 1226 to 1937 in what is now Germany
- Free City of Frankfurt, for almost five centuries until 1866, in what is now Germany
- Free City of Hamburg, until 1871, with the name still officially surviving, in what is now Germany
- Free City of Kraków, 1815-1846, in what is now Poland
- Free City of Augsburg, for over 500 years in what is now Germany
- Free City of Besançon, in what is now eastern France
- Free City of Greyhawk, a fictional city-state