- Constantine, Constantine I, Constantine the Great - Emperor of Rome who adopted the Christian faith and stopped the persecution of Christians (280-337)
--1 is a kind of Roman Emperor, Emperor of Rome
- Constantine - a walled city in northeastern Algeria east of Algiers; was destroyed in warfare in the 4th century and rebuilt by Constantine I
--2 is a kind of city, metropolis, urban center
--2 is a part of Algeria, Algerie, Democratic and Popular Republic of Algeria