Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Baroque Churches of the Philippines' has mentioned 'Luzon' in the following places:
Occurrence Sentence Text Source
They are located in separate areas of the Philippine archipelago, two at the northern island of Luzon, one at the heart of Intramuros, Manila, and the other in the central Visayas island of Iloilo.
The San Agustin Church in Manila, also known as The Church of the Immaculate Conception of San Agustxc3xadn was the first church built on the island of Luzon in 1571, immediately after the Spanish conquest of Manila.
They are located in separate areas of the Philippine archipelago, two at the northern island of Luzon, one at the heart of Intramuros, Manila, and the other in the central Visayas island of Iloilo.