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Family name Trna (Trna
) , in the entire world, is a rare surname. The surname Trna is characteristic of Czechia, where it is a rare surname, Vietnam, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Vietnam, Czechia, and the United States. Likewise, Trna is the forename as well as the last name.