This is the 13077th most frequent Spanish word.
porteña
A female native or resident of Buenos Aires, Argentina.
In this sentence, 'porteña' describes someone from Buenos Aires.
Ella es una mujer porteña que ama las calles de Buenos Aires.
She is a porteño woman who loves the streets of Buenos Aires.
Here, 'porteña' is used to specify the culture originating from Buenos Aires.
La cultura porteña tiene influencias europeas muy marcadas.
The porteño culture has very marked European influences.
In this case, 'porteña' characterizes tango as being associated with Buenos Aires.