Yongan Shiang, Kaohsiung City was once called "yunganzai," the smallest township on the Coast area of Kaohsiung. Alhonyh n was till 1950, Yongan Siaiig tinallv became an independent administr- ative district from the governance of Miliio Sliiany. yet due to the production of salt fields and development of aquaculture since Japanese ruling over Taiwan, it has characteristic industries that contribute greatly to national economy.
In recent promotion of "feature develop- ment of township" policy, Yongan Shiang has been known for the farming of rock fish and the guided tours combing with ecology, history, culture, and local industry. In 2000. annual rock fish festival. "The Heart of Yongan, The Love of Rock Fish," started in Yongan aiming to combine industrial, historical, culture, and ecological resources to intorudce Yongan to interested visitors in more details and let them to know more about Yongan, one of the charming cities on the coastal area of Kaohsiung City.
Singda Power Plant is at north border between Yongan Siang and Jiading Siang; to the west, there is 6.8-meter coast line of Shingang Village. The south- east part of Yongan connects with Gang- shan Township and Agongdian River is at the south border between Yongan and Mituo Siang. During Japanese ruling over Taiwan, Yongan Siang was under the administration of Renshou Li and after the retrocession of Taiwan from Japan, it was then governed by Mituo Siang. It was till 1950, local elites such as Huang Wen-shou and Siyue Jiin-nong, proposed to set up an independent administrative district in accordance with local self-governance and regional adjustment. The name of Yongan refers to the wish to be always with happiness and it is composed of six villages of Yongan, Baoning, Weisiin, Yunghua, Siingang, and Yantian. Although currently Yongan has only the population of 14,000, it contributes incredible aquaculture farming values.