Airlangga University (Universitas Airlangga; Unair or UA) is the second-oldest university in Indonesia and also a public university located in Surabaya, East Java. Now Universitas Airlangga hosts 16 faculties with more than 35,000 students (during the 2015-2016 academic year) and 1,570 faculty members. Universitas Airlangga has university hospitals for the faculties of Medicine, Veterinary Medicine, Nursing, and Dentistry, as well as a tropical infection hospital for its Institute of Tropical Disease. The university is also equipped with biosafety level three facilities.

KALANGGA was made to encourage data collection of Unair alumni. KALANGGA provides information and news, vacancies, internships, event, seminar, discussions and alumni data collection.