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Worldwide, Deka (Deka , Dek , Decke ) is a common gender-neutral first name. The first name Deka is habitual in Djibouti, where it is quite a common feminine name, Somalia, where it is quite a common largely girly, but infrequently boy's name, and Indonesia, where it is quite a rare gender-neutral name. Not in comparison with a country's population, it is commonest in Indonesia, Somalia, and Ethiopia. More frequently, Deka is the last name as well as the forename.