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Cognomen 善治 (Zenji
, Shanzhi
, 善治
) , across the world, is quite a rare last name. The last name 善治 is habitual in Japan, where it is a rare surname, Lebanon, and Tanzania, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Japan, China, and Lebanon. Much more frequently, 善治 is the forename as well as the last name.