The Ateneo de Naga University main campus is situated at Ateneo Avenue, Bagumbayan Sur. Considered as the main campus, it houses the senior high school and higher education communities. As you enter the campus, the community members and friends are welcomed by the historical Four Pillars (already recognized as an important local landmark by Naga LGU) which were built  back in 1940. Also found on campus are the various institutional offices, the Fr James O’Brien SJ Library, the University Gymnasium, and the Christ the King Church.

The ADNU Bonoan Campus is situated in Pacol, which is around ten minutes away from the city. The Pacol campus is the home of the pre-school, grade school, and junior high school communities.