Historically, The Eastside of Los Angeles County, California, is the geographic region that includes the neighborhoods of Boyle Heights, El Sereno and Lincoln Heights within the city of Los Angeles and also East Los Angeles, California, an unincorporated area outside the city.
Historically, The Eastside of Los Angeles County, California, is the geographic region east of the Los Angeles River. This includes the neighborhoods of Boyle Heights, El Sereno and Lincoln Heights within the city of Los Angeles and also East Los Angeles, California, an unincorporated area outside the city.