What was Lintong called in the Tang Dynasty?

Qingshan County, Hong Men County, Xinfeng County, Huichang County and Zhao Ying County. According to the China History Encyclopedia, there are many ancient names in Lintong, Shaanxi Province, which were called Yili in Qin Dynasty, Xinfeng County in Han Dynasty, Qingshan County, Hong Men County, Xinfeng County, Huichang County and Zhao Ying County in Tang Dynasty, and Lintong County in Northern Song Dynasty, and they have been used until 2023. Lintong District, which belongs to Xi City, Shaanxi Province, is located in the east of Guanzhong Plain, bordering Lantian County in the south, yanliang district in the north, Sanyuan County in Xianyang City in the northwest, Gaoling District in the west, Linwei District in Weinan City in the east and Baqiao District in the southwest.