Ateneo de Manila University
Within this campus is the Rizal Library, the main university library. Also located here are numerous units and research centres affiliated with Ateneo, such as the Institute of Social Order, Institute of Philippine Culture, Institute on Church and Social Issues, Asian Public Intellectuals Fellowships, the Philippine Institute for Pure and Applied Chemistry, the Jesuit Communications Foundation, the Jesuit Basic Education Commission, and others. Also situated here are the East Asian Pastoral Institute, Loyola School of Theology, and San Jose Seminary, all Jesuit formation institutions federated with the Ateneo de Manila University. The Manila Observatory is also located on campus.
Athletic facilities include the Blue Eagle Gym, also known as the Loyola Center, standing at the southern end of the campus, and the Moro Lorenzo Sports Center (MLSC) on the northern end. The Blue Eagle Gym is one of the largest gymnasiums among the universities in Metro Manila while the MLSC is often used by the Philippine National Basketball Team as well as other professional teams for their training needs.
Ateneo de Manila University
Overlooking the Marikina Valley, the 83-hectare (205 acres) main campus is located in Loyola Heights, along the eastern side of Katipunan Avenue, and is south of and adjacent to the campus of Miriam College. The Grade School, High School, and Loyola Schools are located in Ateneo's Loyola Heights campus. Beside the Grade School is the Henry Lee Irwin Theater, built in 1995 to house the school's formal events and productions. Complementing the old buildings of the Loyola Schools are the Science Education Complex, as well as the PLDT Convergent Technologies Center-John Gokongwei School of Management Complex. In 2018, the university inaugurated Areté, Ateneo's creative hub, a center for visual, practical, and performing arts. Areté houses the Ateneo Art Gallery, Hyundai Hall (a 900-seat theater), the Doreen Gamboa Fernandez Black Box Theater, the Unionbank Ubuntu Space, and spaces for Ateneo's collaborative degree program with Le Cordon Bleu. The Department of Fine Arts and the Ateneo Institute for the Science and Art of Learning and Teaching also hold office in Areté.