Universidad de Sta. Isabel
 The Universidad de Sta. Isabel (USI) is a private Catholic Vincentian university owned and run by the Daughters of Charity in Naga City Philippines. It was established by the first five Daughters of Charity that arrived in the country (Philippines) in January 1868with Bishop of Caceres Most Rev. Francisco Gainza O.P. the founder of Colegio de Sta. Isabel (1867) through the royal order of Queen Isabella II of Spain.On April 12 1869 the school was inaugurated. Colegio de Sta.