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| Caradja Καρατζάς | |
|---|---|
.svg) Coat of arms of the Caradja family | |
| Country |  Byzantine Empire_cropped.png){kind=small} Ottoman Empire Romania Greece |
| Current region | Philippopolis Dyrrhachium Dalmatia Danubian Principalities |
| Place of origin | Constantinople, Byzantine Empire (now Istanbul, Turkey) |
| Founded | 1091 |
| Founder | Argyros Karatzas |
| Titles | Doux of Philippopolis Doux of Dyrrhachium Grand Postelnic of Moldavia Prince of Wallachia |
| Connected families | Rosetti family Kretzulescu family |
The House of Caradja (also spelt as Karadja, Karaca, Caragea) or Karatzas (also spelt Caratzas; Greek: Καρατζάς) is a princely house of Byzantine and Phanariote Greek origins, present as dignitaries in the Ottoman Empire, and established as boyars and hospodars in the Danubian Principalities from the late 16th century.