Beihai is a coastal city located in the Guangxi Zhuang Autonomous Region of southern China. Situated on the northeastern shore of the Gulf of Tonkin, Beihai is known for its stunning beaches, clear blue waters, and picturesque islands. The city covers an area of approximately 3,337 square kilometers and has a population of around 1.5 million people. Beihai has a rich history that dates back over 2,000 years. It was an important trading port during the Tang Dynasty and served as a gateway for cultural and economic exchanges between China and Southeast Asia. Today, the city still retains its historical charm with remnants of ancient architecture and cultural relics.