Chulalongkorn University (Thai: จุฬาลงกรณ์มหาวิทยาลัย) is the oldest university in Thailand. It has been ranked as the number 1 university in Thailand. It is in Bangkok (the capital city of Thailand). It was founded in 1917. Currently, there are about 30,000 students. The name of the university comes from the name of one of the kings of Thailand, Chulalongkorn (Rama V).