Ha Long City is a popular tourist destination located in northern Vietnam. It is the capital city of Quang Ninh Province and is known for its stunning natural beauty, particularly its iconic limestone karsts that rise from the emerald waters of Ha Long Bay. Ha Long Bay, a UNESCO World Heritage Site, is the main attraction of Ha Long City. It features thousands of limestone islands and islets, creating a breathtaking seascape. Visitors can explore the bay by taking a boat tour, cruising through the karsts, and visiting some of the larger islands like Cat Ba Island, Lan Ha Bay, Bai Tu Long Bay, Co to island