According to Official Guinness Records,
The largest peruvian folk dance consists of 2,352 pairs, and was achieved by Municipalidad Provincial de Arequipa (Peru), at Plaza de Armas, in Arequipa, Peru, on 16 September 2018.The Pampeña Arequipeña is a traditional folk dance derived from the Andean Huayno dance. The Pampeña is a type of dance from Arequipa. The south area of Arequipa was known in the past as La Pampa because of its plain and extensive terrain, consequently the citizens from La Pampa were called pampeños, which influenced the name of the dance.
For a complete list of 2018 records, please visit 2018 Guinness Records in Peru.