Bangkok University (Thai: มหาวิทยาลัยกรุงเทพ) is the oldest and largest private university in Thailand, established 1962. Located in the central business district of Bangkok, the university expanded its operation to Rangsit campus in Pathumthani province to accommodate its rapid growth. Bangkok University has two campuses of study. The City Campus (called "Kluay Nam Thai Campus", Thai: วิทยาเขตกล้วยน้ำไท) is at 119 Soi Sukhumvit 40 in Phra Khanong sub-district, Khlong Toei district, Bangkok. It occupies approximately 15,000 m². It is the campus for most students in their third or fourth year. International students of all years attend this campus, as well as academics in special programs. It is the location of the office of the university's president, as well as the international college, the graduate school, and many other faculties. There are laboratories, classrooms, seminar rooms, libraries, computer centre, an indoor sports centre, and many other service institutes. An art gallery, the Bangkok University Gallery (BUG), opened on the campus in 2006.