Were Gansu people Huns before?

No, in ancient history, Gansu used to be a place where many ethnic groups lived together. Gansu people were not Huns before, but many nationalities lived here in history. Xiongnu itself is a nomadic people composed of many tribes, covering northern China and Mongolian grasslands. During the Han and Tang Dynasties, Gansu was also home to many nomadic peoples, such as Xianbei, Qiang and Uygur. However, Gansu is not the birthplace or base of Xiongnu.