Jiajiasi Village is an administrative village under the jurisdiction of Zaojiao Town, Qinzhou District, Tianshui City, Gansu Province. The urban and rural classification code is 220, which means it is a village. The zoning code is 620502103201, and the first 6 digits of the resident ID number are 620502. The postal code is 741000, the long-distance area code is 0938, and the license plate number is Gan E. Jiajiasi Village and Dongjiaping Village, Zaojiao Village, Yangjiagou Village, Hupigou Village, Xinzhuang Village, Zhoujizhai Village, Liujiagou Village, Xiazhaizi Village, Wangjiawan Village, Yulin Village, Laowanli Village, Sun Jiahe Village, Yuanjiahe Village and Xujiadian Village are adjacent to each other.
Near Jiajiasi Village there are Fuxi Temple, Tianshui Yuquan Temple, Nanguo Temple, Tianshui Bingling Temple, Zhuge Military Base and other tourist attractions. There are Qinzhou Big Cherry, Guagua, Tianshui Chicken Wontons, and Qinzhou Brewed Food. Specialties such as skinned and fried shrimps.