Southeast. According to the People's Government of Xiyang County, Xiyang County, part of Jinzhong City, Shanxi Province, is located in the eastern part of Jinzhong City. Jinzhong is located in the southeast direction of Taiyuan. According to the People's Government of Taiyuan, Taiyuan is located in the central part of Shanxi Province and the northern region of the Jinzhong Basin, and the Jinzhong region is located in the southeastern direction of Taiyuan, so Xiyang is in the southeastern direction of Taiyuan.