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In all the world, Сайя (Saiya
, Sayya
, Saiia
) is quite a rare gender-neutral first name. The first name Сайя is habitual in Indonesia, where it is a rare epicene name, India, and Kazakhstan, where it is a rare predominantly female, but very infrequently masculine name. In absolute terms, the name is most common in India, Indonesia, and Philippines. Also, Сайя is the last name as well as the forename.
Панова, and Касымбаева