Quảng Ninh Province

Quảng Ninh Province (Vietnamese: Tỉnh Quảng Ninh) is a province of Vietnam. It is located in the North Eastern Region and is bordered by Lạng Sơn Province and Bắc Giang Province to the northwest, Hải Dương Province to the west, Hải Phòng Municipality to the southwest, and China to the northeast. Its capital is at Hạ Long. The province is the location of Hạ Long Bay, a bay filled with sharp limestone karst islands. The province is also the only province in the North Eastern Region that borders the East Sea via the Gulf of Tonkin.

Geography
Quảng Ninh is a rugged coastal province, with rough inland terrain and a few low coastal plains. The province's highest point is located in the northeast, close to the Chinese border. It is also the province with the most islands in Vietnam by far, and also contains many bays and harbours. The largest islands are Đảo Cái Bầu (which has an airport) and Đảo Trà Bản. The Cô Tô Islands are located further offshore.

In the town of Cẩm Phả, there is a large quarry mine and a railway connecting it to the nearby harbor.

The city of Hạ Long lies on Hạ Long Bay and its own harbour, described as one of the best in northern Vietnam.