Xihe County is a county under the jurisdiction of Longnan City, Gansu Province, so the native place of Xihe County is Longnan City. What needs to be explained here is that the word "hometown" usually refers to a person's birthplace or ancestral home, not the administrative affiliation of a place. Therefore, if you want to ask the administrative area of Xihe County, you should use words like "location" and "ownership".
For the answers to similar questions, we need to pay attention to accurately understanding the questions, understand the relevant geographical and administrative knowledge, and avoid giving wrong answers because of misunderstanding. At the same time, we should pay attention to the accuracy and conciseness of the answer, and avoid adding irrelevant information or lengthy descriptions in the answer.
For more information about Xihe County in Longnan City, please check the relevant official website or consult the local government departments.