The Kalopian Republic (Kalopian: Καλοπίακή Δημοκρατία) was one of the two constituent republics of the Central Majatran Union, along with the Tukaric Republic, from 4100 to 4114. The Kalopian Republic was primarily inhabited by ethnic Kalopians, who speak the Kalopian language. In 4114, the name 'Kalopian Republic' was adopted as the name of the entire country.