Contact

Office Of Navigation, Hydrography and Oceanography

Address:	Seyir, Hidrografi ve Oşinografi Dairesi Başkanlığı, Çubuklu/İSTANBUL 34805
Telephone Central:	+90 216 322 25 80
Fax:	+90 216 331 05 25

Official E-Mail Addresses

* Click here to submit your request regarding the provision of nautical charts.

* Click here for technical inquiries related to the nautical charts.

* Click here for all other inquiries.

Transportation

Bus numbers 11H, 15, 15A, 15F, 15P, 15T, 121A, pass by ONHO.

Bus numbers 15TY, E-2, 15BK, 15D, 15N, 20, 135, 137 pass by Çubuklu within 5-10 minutes walking distance.

There is also midi bus from Kavacık.