KAFOS (Karadeniz Fiber Optik Sistemi - ''Black Sea Fibre Optic System'') is a submarine telecommunications cable system in the

Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, ...

linking Romania, Bulgaria, and Turkey. It has landing points in: *

Mangalia Mangalia (, tr, Mankalya), ancient Callatis ( el, Κάλλατις/Καλλατίς; other historical names: Pangalia, Panglicara, Tomisovara), is a city and a port on the coast of the Black Sea in the south-east of Constanța County, Northern ...

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, a ...

Varna, Bulgaria Varna ( bg, Варна, ) is the third-largest city in Bulgaria and the largest city and seaside resort on the Bulgarian Black Sea Coast and in the Northern Bulgaria region. Situated strategically in the Gulf of Varna, the city has been a maj ...

Istanbul Istanbul ( , ; tr, İstanbul ), formerly known as Constantinople ( grc-gre, Κωνσταντινούπολις; la, Constantinopolis), is the List of largest cities and towns in Turkey, largest city in Turkey, serving as the country's economic, ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

it has a transmission capacity of 8 Tbit/s, and a total cable length of 504 km. It started operation on 13 June 1997.

References

https://web.archive.org/web/20070930122255/http://foptnet.ge/map2eng.htm
Map of the cable system (3 Systems BSFOCS,

KAFOS KAFOS (Karadeniz Fiber Optik Sistemi - ''Black Sea Fibre Optic System'') is a submarine telecommunications cable system in the Black Sea linking Romania, Bulgaria, and Turkey. It has landing points in: *Mangalia, Romania * Varna, Bulgaria *Istanb ...

, & ITUR) {{Submarine communications cables in the Black Sea Submarine communications cables in the Black Sea Bulgaria–Turkey relations Bulgaria–Romania relations Romania–Turkey relations Optical telecommunications cables Internet in Bulgaria 1997 establishments in Bulgaria 1997 establishments in Romania 1997 establishments in Turkey