Baoji generally refers to Baoji. Baoji, known as Chencang and Yongcheng in ancient times, is a prefecture-level city under the jurisdiction of Shaanxi Province, a sub-central city of Guanzhong Plain urban agglomeration and a sub-central city of Guantian Economic Zone. Baoji is located in the west of Guanzhong Plain, which governs 4 districts and 8 counties, with a total area of 18 1 17 square kilometers. By the end of 20021,the permanent population of Baoji was 3.282 million. Baoji has a long history.