Jiyuan demonstration area. According to the information of Baidu map, Tiantan Street in Jiyuan City belongs to Jiyuan Demonstration Zone. In July 2121, Tiantan Sub-district Office in Jiyuan City was formally established, with jurisdiction over 2 communities and 17 neighborhood committees. Jiyuan City, a county-level city directly under the Central Government of Henan Province, is located in the northwest of Henan Province, with a warm temperate monsoon climate.