Zonguldak Province, Turkey with 26 records
Kirklareli Province, Turkey with 19 records
Lake Kulu, Turkey with 15 records
Samsun Province, Turkey with 15 records
Sinop Province, Turkey with 8 records
Fraser's Hill, Peninsular Malaysia with 7 records
Göksü Delta, Turkey with 7 records
Burdur Province, Turkey with 6 records
Bolu Province, Turkey with 5 records
United Arab Emirates, United Arab Emirates with 5 records
Niğde University, Turkey with 5 records
Balikesir Province, Turkey with 5 records
Filyos, Turkey with 4 records
Mogan Lake, Turkey with 4 records
Amsterdam, Netherlands with 4 records
Antalya, Turkey with 4 records
Istanbul Province, Turkey with 4 records
Salalah, Oman with 4 records
Oman, Oman with 4 records
Rize Province, Turkey with 4 records

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