San Justois a city and theseat of governmentofLa Matanza Partido,Buenos Aires Province, Argentina. Itis a relatively prosperous city enjoying a variety of commercial and cultural resources. Its strategic location onNational Highway 3and Provincial Highway 4 (theGreater Buenos Airesbeltway), make it among the most active, for its size, in the county.
Pedro Bonifacio Palacios, an Argentine writer, was born in San Justo, and one of the main streets of the city is named in his honor under his nicknameAlmafuerte.ThePlaza San Martinis the center ofLa Matanzaand its civic center, where the main institutions of thepartidoare located within a four-block radius.