Mission Junction is an industrial neighborhood in Los Angeles, California. The area's name refers to one of several railroad junctions located within the district. It is also referred to as Naud Junction. There are a few residents in the area, who are mostly Hispanic. It is bordered by the Los Angeles River to the east, Downtown Los Angeles to the southwest, and the Pasadena Freeway to he northwest. It has one elementary school, Ann Street Elementary School, which is one of the smallest zoned elementary schools in the district.