In this collesction,eight regions have been focused and several forms, with particular contents, have been chosen per each:
1. The region of Azerbaijan
2. The region of Mazandaran and Turkman
3. The region of Khorasan
4. The region of Sistan and Baluchestan
5. The region of Lurestan and Bakhtiari and Fars
6. The region of the Iranian south coasts
7. The region of Kordestan
8. The region of Gilan and Talesh