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Last name Обана (尾花 , Obana , Обана) , throughout the world, is quite a rare cognomen. The surname Обана is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Philippines. Not in comparison with a country's population, this name is the most popular in the Democratic Republic of the Congo, Philippines, and Brazil. Much less frequently, Обана is the forename as well as the last name.