Taiwan Prefecture
In 1683, when Qing rule began, the island was governed as Taiwan Prefecture under the administration of Fujian Province. In 1684, Tsulo County was established and initially encompassed the underdeveloped northern two-thirds of Taiwan. (Taiwan and Hongsoa counties were divided from Wan-Nien County during the Kingdom of Tungning, which was changed from Tien-Hsing County.) In 1704, the county seat was moved to Tsulosan, the site of modern-day Chiayi City, and had wooden city walls.