Toucheng Township () is an urban township in Yilan County, Taiwan. The township includes Guishan Island and Guiluan Island in the Philippine Sea. The Senkaku Islands, known in Mandarin as the Diaoyu Islands, are claimed as part of the township. History Toucheng was formerly called Thau-ui (). Toucheng Township () was established on 9 September 1946. Toucheng Township was upgraded to an urban township () on 1 January 1948. Geography Area: 100.89 km2 Population: 29,890 people (2014) Administrative divisions Toucheng includes twenty-five urban villages: Shicheng/Shihcheng (Shih-ch'eng-tzu, Sekijōshi; ), Dali (Ta-li-chien, Dairikan; , 大里簡), Guishan (Kuei-shan, Kīzan; ), Daxi (Ta-ch'i, Taikei; ), Gexing (Ho-hsing, Gōkō; ), Gengxin (), Waiao (Wai-ao, Gaiō; ), Gangkou (Chiang-k'ou, Kōkō; ), Wuying (), Dakeng (), Chengtung (), Chengbei (), Chengxi (), Chengnan (), Zhuan (), Xinjian (), Baya (), Fucheng (), Jinmian (Hsiao-chin-mien, Shō-kimmen; , 小金面), Jinying (), Dingpu (), Xiapu (), Zhonglun (Chung-lun, Chūron; ) and Ercheng () Village. Education Lan Yang Institute of Technology Infrastructure Submarine communication cables Toucheng is one of the two cable landing points of Taiwan island (the other one is Fangshan). Four submarine communication cables, including APCN, APCN2, RNAL, and SEA-ME-WE 3, connect here. Tourist attractions The township has several fresh seafood restaurants and also black sand beach for surfing activities. Several boat operators offer trips from the Wushish Harbor to Guishan Island and also for whale and dolphin watching. The Juh-an River Bird sanctuary is another attraction of Toucheng. Once the economic center of the area, the Ho-Ping street in Toucheng is one of the few unaltered and typical Qing dynasty Taiwanese urban structures. Beiguan Crabs Museum Beiguan Tidal Waves Caoling Historic Trail Guishan Island Hedung Hall Lions Museum Honeymoon Bay Lanyang Museum Lee Rong-chun Literary Museum Old Dali Bridge Old Tsau Ling Tunnel Sea Eroded Rock Formation Shihpai Boundary Park Taoyuan Valley Toucheng Leisure Farm Toucheng Old Street Transportation Toucheng is served by the Yilan Line of Taiwan Railway Administration on Dali Station, Daxi Station, Dingpu Station, Guishan Station, Sicheng Station, Toucheng Station and Wai-ao Station. Toucheng has more rail stations (three) than any other townships in Taiwan. There are seven stations along the route. The township has recently seen a marked increase in tourism due to the opening of the Freeway 5 linking it with western Taipei. The freeway consists of a series of tunnels dug through the Snow Mountains, the longest of which measures . The