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Cognomen 真田 (真田 , Мада , Масада , and others...) , around the globe, is a very rare family name. The surname 真田 is habitual in Bulgaria, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, the name is most common in Bulgaria, China, and Ukraine. More prevalently, 真田 is the forename as well as the last name.