Hualien County is a county on the east coast of Taiwan. It is Taiwan's largest county by area, yet due to its mountainous terrain, has one of the lowest populations in the country. The county seat and largest city is Hualien City. Hualien County is located in the eastern part of Taiwan; the Pacific Ocean is to its east and the Central Mountain Range is to its west. Hualien is the largest county in Taiwan in terms of area, with a long, narrow and mountainous terrain.

Hualien City is a county-administered city and the county seat of Hualien County, Taiwan. It is located on the east coast of Taiwan on the Pacific Ocean, and has a population of 99,458 inhabitants.