Háº¡ Long Bay is a UNESCO World Heritage Site, and a popular travel destination, in Quáº£ng Ninh Province, Vietnam. Administratively, the bay belongs to Háº¡ Long City, Cáº©m Pháº£ town, and part of Vân Äá»“n District. The bay features thousands of limestone karsts and isles in various sizes and shapes. Háº¡ Long Bay is a center of a larger zone which includes Bái Tá» Long bay to the northeast, and Cát Bà islands to the southwest. These larger zones share similar geological, geographical, geomorphological, climate, and cultural characters.