Changhua, officially known as Changhua City, is a county-administered city and the county seat of Changhua County in Taiwan. It is situated within the Taichung–Changhua metropolitan area, which serves as the second largest metropolitan region in the country.
The city is ranked first by population among all county-administered cities in Taiwan. Historically, the site was home to a settlement of the Babuza people, a coastal tribe of Taiwanese aborigines, for many centuries.