Taitung City is a county-administered city and the county seat of Taitung County, Taiwan. It lies on the southeast coast of Taiwan facing the Pacific Ocean. Taitung City is the most populous subdivision of Taitung County and it is one of the major cities on the east coast of the island.

A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equivalent term, shire town, is used in the U.S. state of Vermont and in several other English-speaking jurisdictions. County towns usually serve a similar function in Ireland, Jamaica, and the United Kingdom.