Complex sentence: The Metropolitan Cathedral of the Immaculate Conception in Zamboanga City in the Philippines, one of Asia's largest modern cathedrals, is the seat of the Archdiocese of Zamboanga.
Split into simpler sentences: The Metropolitan Cathedral of the Immaculate Conception is a church located in Zamboanga City, Philippines. It is the seat of the Archdiocese of Zamboanga.