Wilde is a city in the Avellaneda Partido, Buenos Aires Province, Argentina. Wilde is the most populous district in Avellaneda, with a total of 65,881 inhabitants. It is a part of the Greater Buenos Aires urban agglomeration. The city originated as an estancia founded by Luis Gaitán c. 1600. The settlement was the site of the first salthouse in what is now Argentina. In 1888, Eduardo Wilde named it after his uncle, Doctor José Antonio Wilde.