Which city does Huidong County in Sichuan belong to?

Official website shows that Huidong County, the people's government of Huidong County, Sichuan Province belongs to Liangshan Yi Autonomous Prefecture, and Huidong County is located at the southern end of Liangshan Yi Autonomous Prefecture, on the northwest edge of Yunnan-Guizhou Plateau, and belongs to the humid monsoon climate zone in the west of central subtropical zone. It covers an area of 3,226 square kilometers and governs 2 streets, 13 towns and 4 townships.