The Union of Caxcanan States (Eirian: Unija de Valsei Kaškanacasei, Huenyan: Tlacetilīztli Tlahtohcāyōtl Caxcanacatl), otherwise known as the Caxcanan Union, is a supranational economic and defensive alliance of Eiria, Huenya, Auria, Milintica, and Manabí Rive.