The Pontifical and Royal University of Santo Tomas, The Catholic University of the Philippines, or simply the University of Santo Tomas (UST), is a private, Roman Catholic research university in Manila, Philippines. Founded on 28 April 1611 by Miguel de Benavides, Archbishop of Manila, it has the oldest extant university charter in the Philippines and in Asia, and is one of the world's largest Catholic universities in terms of enrollment found on one campus.