porteño

Porteño is mainly used to refer to the residents of Buenos Aires, Argentina. It is also used for other port cities, such as El Puerto de Santa María, Spain; Valparaíso, Chile; Mazatlán, Veracruz, Acapulco and Tampico, Mexico; Puerto Cabello, Venezuela; Puerto Colombia, Colombia; Puerto Suárez in Bolivia; Puerto Cortés, Honduras; Puntarenas, Costa Rica, and Montevideo, Uruguay. (Wikipedia)