Hainan Province is located in the most southern part of China, and includes Hainan Island as well as the Zhongsha, Xisha, and Nansha archipelagoes, and the surrounding sea areas. Hainan Island itself is 33,900 sq. km., and the province’s sea area covers 2 million sq. km. Hainan is China’s second largest island (only Taiwan is larger), and is China’s smallest province in land area, but largest in sea area. The capital city is Haikou.