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Around the world, Кастра (Castro , Kastro , Kastra ) is a common predominantly male, but very seldom female given name. The first name Кастра is habitual in Guadeloupe, where it is quite a common male name, Luxembourg, where it is quite a rare gender-neutral name, and Guatemala. Not in comparison with a country's population, it is the most numerous in Philippines, Tanzania, and Angola. Much more prevalently, Кастра is the last name as well as the forename.
Кастра is also a name for the fictitious and mythical characters: Castro , the operatic character in the opera Al gran sole carico d’amore, Al gran sole carico d'amore and Castro Gomes , character in Os Maias.