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In all the world, Astrea (Astrea ) is a rare dominantly girly, but uncommonly boy's first name. The forename Astrea is characteristic of the Democratic Republic of the Congo, where it is a rare feminine name, Indonesia, where it is a very rare gender-neutral name, and Australia, where it is a very rare feminine name. In absolute terms, this name is the most popular in the Democratic Republic of the Congo, Indonesia, and the United States. Likewise, Astrea is the last name as well as the forename.
Astrea is also a name for the fictitious and mythical characters: Astrea , the operatic character in the opera Astrea placata and Astrea , the operatic character in the opera La contesa de’ numi (Metastasio).