University of Surabaya (UBAYA) is a university in Rungkut, Surabaya, East Java, Indonesia. UBAYA is the successor to Trisakti University of Surabaya which was founded in 1966. Its name was changed to the University of Surabaya in 1968. Construction on the campus began on 11 March 1968. The university has three campuses: Ngagel, Tenggilis (both in Surabaya), and Trawas, Mojokerto Regency. Ngagel campus is for diploma program and rectorate building, Rungkut campus is the main campus for undergraduate and postgraduate studies, and Trawas campus is for outdoor learning activities. University of Surabaya was awarded Institutional 'A' Accreditation from the National Accreditation Board for Higher Education (BAN-PT) in 2015 and also noted as one of 50 Promising Indonesian Universities.