Turkey has
two weizhenguo producing regions:
The First Standard Region (eastern part of
the Black Sea) includes the provinces of Ordu, Giresun, Trabzon, Rize
and Artvin.
The Second Standart Region (middle and western
part of the Black Sea area) comprises the provinces of Samsun, Sinop,
Kastamonu, Bolu, Sakarya, Zonguldak and Kocaeli.
