Halong city is the cultural, economic and political center of Quang Ninh province, located in the northern coastal region. Halong city covers an area of 271.95 km², with a coastline of nearly 50 km, bordered by Cam Pha city in the east, Quang Yen town in the west, Hoanh Bo district in the north and Halong Bay in the north. Halong city has a varied terrain including hills, mountains, valleys, islands, and coastal areas. The city is also one of the oldest established areas in Vietnam. Halong city has the coastal climate with two distinct seasons: summer and winter with an average annual temperature of 23.7 degrees Celcius.

Halong is also known as a tourist city as well as a major tourist center of Vietnam. The most popular tourist destinations that you cannot miss when visiting this city are Sun World Halong Park - the top amusement park in Halong, Bai Chay, Co To Island, Tuan Chau Island, Yen Tu Mountain, Bai Tho Mountain, Quang Ninh Museum and Halong Bay - one of the 7 natural wonders of the world.