The Church of San Francisco de Sales (Spanish: Iglesia de San Francisco de Sales) is a church located in Madrid, Spain. It was declared Bien de Interés Cultural in 1996. History At the beginning of the Spanish Civil War the Fifth Regiment used the building of the Church of San Francisco de Sales as its headquarters. See also Catholic Church in Spain List of oldest church buildings References Francisco de Sales Bien de Interés Cultural landmarks in Madrid Buildings and structures in Tetuán District, Madrid