Where is Luo's surname from Jingtai, Gansu?

Yuzhong, Gansu. Luo surname is one of Han surnames in China, which is widely distributed in Jingtai, Gansu. Affected by population migration, mainly from Yuzhong, Gansu. Surname is a sign and symbol of a person or a family, which comes from totem worship. Its main function is to distinguish the descendants of different clans in the tribe and facilitate intermarriage between different clans.