The Ambassador City Jomtien is large resort at Jomtien Bay, near Pattaya, Thailand, with "over 4,210 rooms" . Located about 8 km south of Pattaya, it occupies a campus overlooking the beach and nearby mountains. It consists of five buildings that each contain 150 to 2,000 suites, plus eight restaurants, several bars and nightclubs, a convention center, and a sports/fitness facility that claims to have Asia's largest swimming pool.

The Ambassador City hosted the United Kingdom Contingent to the 20th World Scout Jamboree consisting of 2,500 young people aged between 14 and 18 and many of their support staff prior to the Jamboree at Sattahip in 2002/3.