because of the re-allocation of administrative areas in which Taiwan was divided into 16 counties, five provincial cities and a special bureau, Chiayi City was downgraded to a county-administered city and merged with Chiayi County to be the county seat. As a result, a shortage of capital hindered its development. On 1 July 1982, Chiayi City was elevated again to a provincial city as a result of pressure from local elites. On 6 October 1990, the East District and West District were established. Geography Chiayi City is located on the north side of Chianan Plain, south west of Taiwan Island. On the east side is the Mount Ali, on the west side is the Chiayi Airport, on the north side is the Puzi River and on the south side is the Bazhang River. The distance from east to west of Chiayi City is and from north to south is with a total area of . Chiayi City is completely surrounded by Chiayi County. Most of Chiayi City land are broad flat fertile plains. The terrain slowly rises from west to east. Chiayi is also one of the closest Taiwanese cities to the Tropic of Cancer, with the latitudinal line lying just south of the city. Climate Chiayi City has a warm humid subtropical climate (Köppen Cwa). Northeasterly winds during fall and winter mean that rainfall is depressed during that time, while southwesterly winds during summer and the later portion of spring bring most of the year's rainfall, with more than 60% falling from June to August. Humidity is high year-round, even during winter. Government Chiayi City is a provincial city of Taiwan Province of the Republic of China. The city is governed by the Chiayi City Government, while the residence is represented in the Chiayi City Council. The current Mayor of Chiayi City is Huang Min-hui of the Kuomintang. Administrative divisions Chiayi City is divided into two districts. East District is the city seat which houses the Chiayi City Government. Politics Chiayi City voted one Democratic Progressive Party legislator to be in the Legislative Yuan during the 2016 Taiwanese general election. It has historically been a very pan-Green city. During the martial law era, most people of Chiayi supported tangwai politicians. However, the voting gap between the DPP and the KMT has narrowed in recent years. Demographics Chiayi city is a 100% purely ethnic Hokkien inhabited city. Education National Chiayi