Lake Chelekcheka, Ethiopia with 18 records
Orense Province, Spain with 16 records
Addis Ababa, Ethiopia with 16 records
Hora Crater Lake, Ethiopia with 15 records
Punta Cana, Dominican Republic with 12 records
Viveiro, Spain with 10 records
Villaf√°fila, Spain with 8 records
London, Great Britain with 7 records
Ribadeo, Spain with 4 records
Debre Zeit, Ethiopia with 4 records
Seven Seas Lagoon, USA (United States) with 4 records
Marken, Netherlands with 3 records
Volendam, Netherlands with 2 records
Mousterlin, France with 2 records
Lucerne Canton, Switzerland with 2 records
Saona Island, Dominican Republic with 2 records
La Romana, Dominican Republic with 1 record
Larouco, Spain with 1 record
Kiroftu Lake, Ethiopia with 1 record
Montreux, Switzerland with 1 record

This is a list of the top 20 specific localities, sorted by the total amount of materials.