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Last name Sech (Seco
, Sech
, Сечь
) , all around the world, is a common surname. The last name Sech is characteristic of Portugal, where it is quite a common surname, Argentina, where it is quite a rare surname, and Venezuela. Not in comparison with a country's population, the name is most common in Argentina, Philippines, and Spain. Very seldom, Sech is the forename as well as the last name.