Administrative divisions

1. Sanjak of Khodjaili (Bithynia
   Bithynia
   Bithynia was an ancient region, kingdom and Roman province in the northwest of Asia Minor, adjoining the Propontis, the Thracian Bosporus and the Euxine .-Description:...
   
   )
2. Sanjak of Bolu
   Bolu
   - Places of interest :The countryside around Bolu offers excellent walking and other outdoor pursuits. There are hotels in the town for visitors. Sights near the town include:* The 14th century mosque, Ulu Camii...
   
    (Paphlagonia
   Paphlagonia
   Paphlagonia was an ancient area on the Black Sea coast of north central Anatolia, situated between Bithynia to the west and Pontus to the east, and separated from Phrygia by a prolongation to the east of the Bithynian Olympus...
   
   )
3. Sanjak of Virantsheir (Honorios) (near Eskipazar
   Eskipazar
   Eskipazar is a town and district of Karabük Province in the Black Sea region of Turkey. According to the 2000 census, the population of the district was 16,365 of which 8,457 lived in the town of Eskipazar. The district covers an area of , and the town lies at an elevation of . It separated from...
   
   ?)
4. Sanjak of Sinope
   Sinop, Turkey
   Sinop is a city with a population of 36,734 on İnce Burun , by its Cape Sinop which is situated on the most northern edge of the Turkish side of Black Sea coast, in the ancient region of Paphlagonia, in modern-day northern Turkey, historically known as Sinope...
   
    (Helenopontus)