Kingdom of Thessalonica

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Kingdom of Thessalonica Regnum Thessalonicae (Latin)
1204–1224
Coat of Arms per The Lord Marshal's Roll (1295)
The Kingdom of Thessalonica within the Latin Empire (1204).
Status	Vassal of the Latin Empire
Capital	Thessalonica
Common languages	Latin (official) Greek (popular)
Religion	Roman Catholic (official) Eastern Orthodox (popular)
Government	Feudal Monarchy
King of Thessalonica
• 1205–1207	Boniface
• 1207–1224	Demetrius
Historical era	Middle Ages
• Kingdom established	1204
• Fall of Thessalonica to Epirus	1224
Preceded by Succeeded by Byzantine Empire (Angelos dynasty) Empire of Thessalonica

The Kingdom of Thessalonica (Greek: Βασίλειον τῆς Θεσσαλονίκης, romanized: Vasílion tis Thessaloníkis) was a short-lived Crusader State founded after the Fourth Crusade over conquered Byzantine lands in Macedonia and Thessaly.