The Mission San Francisco de Asís, also known as Mission Dolores, is a historic Catholic church complex in San Francisco, California. Operated by the Archdiocese of San Francisco, the complex was founded in the 18th century by Spanish Catholic missionaries. The mission contains two historic buildings:The Mission Dolores adobe chapel, constructed in 1776. It is the oldest structure in San Francisco. The Mission Dolores Basilica, constructed in 1918. It was designated a basilica by Pope Pius XII in 1952.

San Francisco, officially the City and County of San Francisco, is a commercial, financial, and cultural center in Northern California. With a population of 808,437 residents as of 2022, San Francisco is the fourth most populous city in the U.S. state of California. The city covers a land area of 46.9 square miles at the end of the San Francisco Peninsula, making it the second-most densely populated large U.S. city after New York City and the fifth-most densely populated U.S. county, behind only four New York City boroughs. Among the 92 U.S. cities proper with over 250,000 residents, San Francisco is ranked first by per capita income and sixth by aggregate income as of 2022.