Thammasat University (Thai: มหาวิทยาลัยธรรมศาสตร์, RTGS: Mahawitthayalai Thammasat, pronounced [tʰām.mā.sàːt]) (TU) (Thai: มธ.), is a public research university in Thailand with campuses in Tha Phra Chan near the Grand Palace in the heart of Bangkok Old City (also known as Rattanakosin), in Rangsit which is 42 kilometers north of Bangkok, in Pattaya, a popular seaside district in the Eastern Seaboard, and in Lampang Province near Chiang Mai.