San Luis Obispo, California is a city located in the Central Coast region of California. It is the county seat of San Luis Obispo County and is known for its mild climate and natural beauty. The city is home to California Polytechnic State University and Mission San Luis Obispo de Tolosa, which was founded in 1772 by Father Junipero Serra. The city's name is derived from the Spanish words 'San Luis' meaning Saint Louis and 'Obispo' meaning bishop. The city is also known as 'The Valley of the Bears' due to the large number of black bears that inhabit the area. Rey is a small unincorporated community located in San Luis Obispo County, California. It is located near the intersection of Highway 1 and Highway 41, and is home to a few small businesses.