Please answer the following question: Information: - Los Angeles County, officially the County of Los Angeles, is a county in California. With a population of more than ten million people, it is the most populous county in the United States, and larger than that of 42 individual U.S. states. It has 88 incorporated cities and many unincorporated areas and at it is larger than the combined areas of the U.S. states of Delaware and Rhode Island. The county is home to more than one quarter of all California residents and is one of the most ethnically diverse counties in the U.S. Its county seat, the City of Los Angeles, is also its most populous city at about four million. - Rosecrans Avenue is a major west - east thoroughfare in Los Angeles and Orange Counties , California , USA . It has a total length of 27.5 miles ( 44.3 km ) . The street is named after Union General William S. Rosecrans , who purchased 13,000 acres of Rancho Sausal Redondo southwest of Los Angeles in 1869 . Rosecrans Avenue was originally named Drexel Avenue , and ran through the Rosecrans Rancho which is part of modern - day Gardena . - Rancho Sausal Redondo (Round Willow-grove Ranch) was a Mexican land grant in present day Los Angeles County, California given in 1837 to Antonio Ygnacio Avila by Juan Alvarado Governor of Alta California. "Rancho Sausal Redondo" covered the area that now includes Playa Del Rey, El Segundo, Manhattan Beach, Lawndale, Hermosa Beach, Inglewood, Hawthorne, and Redondo Beach. - Alta California, founded in 1769 by Gaspar de Portola, was a polity of New Spain and after the Mexican War of Independence in 1822, a territory of Mexico. The region included all of the modern states of California, Nevada, and Utah, and parts of Arizona, Wyoming, Colorado and New Mexico. Given the paragraphs above, decide what entity has the relation 'located in the administrative territorial entity' with 'los angeles county'.
A:
rosecrans avenue