The Upsilon Sigma Phi (ΥΣΦ) is the oldest Greek-letter organization and fraternity in Asia. Founded in 1918, it is also the oldest student organization in continuous existence in the University of the Philippines. It has two chapters—a single chapter for the UP Diliman and UP Manila campuses, and another for UP Los Baños. Membership remains exclusive to UP students, and is by invitation only.
Historical marker installed by the National Historical Commission of the Philippines in the UP Diliman campus in 2022.
Malacañang proclamation declaring 2018 as the "Year for the Celebration of the Centennial Anniversary of the Upsilon Sigma Phi."
President Ferdinand Marcos
Senator Ninoy Aquino
University of the Philippines Diliman
The University of the Philippines Diliman, also referred to as UP Diliman or simply University of the Philippines (UP), is a public, coeducational, research university located in Diliman, Quezon City, Philippines. It was established on February 12, 1949, as the flagship campus and seat of administration of the University of the Philippines System, the premier and national university of the Philippines.
The Oblation Plaza showing the Oblation monument and the facade of Quezon Hall.
A panoramic view of the National Science Complex, with the amphitheater at the center
Academic Oval, U.P. Diliman
Fire trees of U.P. Diliman
