Lingshui County, Ledong County, Baoting County and Wuzhishan City are surrounded. Hainan Island has two expressway on the east and west lines, and the Shanghai-Chongqing Middle Line. The East Line starts from Haikou, passes through Ding 'an, Qionghai, Wanning and Lingshui, and reaches the East Line of Sanya, with a mileage of 243 kilometers. The west line starts from Haikou, passes through Lingao, Danzhou, Dongfang and Ledong, and reaches the west line of Sanya, with a mileage of 347 kilometers. The central line runs through Qiongzhong and Wuzhishan, about 260 kilometers.
"Sanya" is called "Sanya" because Sanya River (formerly known as Linchuan Water) has two Sanya rivers in the east and west, which meet here in the shape of "Ya". Sanya has a long history, and there are records of "Sanya Village" and "Sanya Li" in Zheng Deqiong's Records of Taiwan in the Ming Dynasty.
The main tourist attractions in Sanya are Wuzhizhou, Dadonghai Tourist Scenic Area, Xidao Sea Amusement World, Sanya Noble Yacht Club, Xisha Islands, Sanya Bay, Nanshan Buddhist Cultural Park, Xidao Sea Amusement World, Licun Miao Village, Sanya Pearl Cultural Center, Fenjiezhou Island, Monkey Island, Nantian Hot Spring, Butterfly Valley, Coconut Dream Corridor, Phoenix Island, Pen Cave, Underwater World Adventure, Tianya Tropical Marine Zoo and Yalong Bay Submarine. Dadonghai Global Diving Base, West Coast Railway, Longevity Valley, City Paradise, Shuinan Village, Yacheng Confucius Temple, Sanya Coral Reef Nature Reserve, Millennium Dawn Global Broadcast Point, Xisha Naval Martyrs Cemetery, Sanya River Bird Nature Reserve, Tropical Rainforest Square, Serene Square, Tengwan, Wild Boar Island, Cultural Exhibition Center, Xiaoyu Hot Spring, etc.