The traditional Spanish phrase for a quinceañera celebration is quince años, meaning “fifteen years.”
Quince años refers directly to the age being marked. The related word quinceañera is commonly used for the girl celebrating her fifteenth birthday and, by extension, for the celebration itself. In some Spanish-speaking contexts, people also use fiesta de quince años, or “party of fifteen years.”
The vocabulary explains why the tradition is linked specifically to age 15 rather than to a fixed religious rite. Different communities may use local names, and the style of the event can range from a formal banquet to a smaller family gathering.
The phrase is not the name of a particular dance, dress, or religious service. Those elements may appear at the event, but quince años identifies the milestone celebration as a whole.