GADM
Maps
Data
About
World
/
Turkey
/
Bolu
/ sub-divisions
Bolu has 9 second level subdivisions
Map ID
Name
1
Mengen
2
Yeniçağa
3
Merkez
4
Gerede
5
Dörtdivan
6
Mudurnu
7
Kıbrıscık
8
Seben
9
Göynük
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