Hualien County is the largest county in Taiwan and the county with the largest number of alpine people. In the eastern part of Taiwan's main island, Yilan in the north, Taitung in the south, and the central ridgeline along the central mountain line are adjacent to the three counties of Taichung, Nantou and Kaohsiung, and the east is toward the Pacific Ocean. 4,628.57141 square kilometers, 350,000.