Mexico is especially associated with the term “fiesta de quince años.”
Fiesta de quince años is a Spanish phrase meaning “fifteenth-birthday party,” and it is widely used in Mexico and other Latin American countries. Mexico’s large population, regional diversity, and extensive Mexican diaspora have helped make quinceañera customs highly visible internationally.
The tradition is not exclusive to Mexico. Similar celebrations occur throughout Latin America, in parts of the Caribbean, and among Latino communities in the United States and elsewhere. Local names, religious practices, clothing, music, and ceremonial details can differ substantially.
Brazil is less likely to use the Spanish phrase because Portuguese is its national language; a comparable celebration may be described with Portuguese wording. Spain also has fifteenth-birthday parties, but the phrase is most strongly linked with Latin American usage and culture.