Friens Church (formerly Yorba Linda Friends Church) is an evangelical megachurch located in the upscale Orange County city of Yorba Linda, California. The church is affiliated with the Evangelical Friends International denomination. With weekly attendance averaging in excess of 4,000, it is the largest Quaker church in the world and one of the largest churches in Southern California. In addition, the church's worship center (completed in 2005) is one of the largest theaters in California, with a capacity of over 3,000.