Last name Caradja (Caradja 
) , throughout the world, is a very rare cognomen. The family name Caradja is habitual in Portugal, where it is a rare surname, Italy, where it is a very rare surname, and France. Not in comparison with a country's population, it is the most numerous in Portugal, Italy, and Philippines.
| nikolaos caradja, voivoide of valachia 1782-1783 1737 - 1784 (b. 1737) |
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| smaragda caradja daughter of Ioannis Georgios Karatzas and wife of Costantinos Vlahuta (b. 1780) |
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| constantin caradja TR (b. 1799) |
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aristide caradja Romanian entomologist (1861–1955), RO (b. 1861) |
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ecaterina olimpia caradja Romanian princess, RO (b. 1893) |
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| smaragda caradja 1760 |
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| konstantinos caradja |
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| georgios caradja |
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