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Family name Kren (Kren
, クレン, Крэн
) , all around the world, is quite a rare last name. The surname Kren is habitual in Slovenia, where it is quite a common surname, Czechia, where it is quite a rare surname, and Austria. Not in comparison with a country's population, this name is the most popular in Indonesia, Czechia, and the United States. Much less frequently, Kren is the forename as well as the last name.