San Luis Rey de Francia is a historic mission located in California, founded in 1798. It was named after Saint Louis, the King of France, and is one of the 21 California missions established by Spanish settlers. The mission played a significant role in the spread of Christianity among the indigenous peoples of the region. The mission features beautiful architecture, including a large church and several adobe buildings. Today, San Luis Rey de Francia is a popular tourist destination, offering visitors a glimpse into California's colonial history and the early interactions between European settlers and Native Americans.