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 sea, marginal Mediterranean sea (oceanography), mediterranean sea 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 bound ...

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

Mangalia Mangalia (, ), ancient Callatis (; 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 Dobruja, Romania. The municipality of Mangalia als ...

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

Varna, Bulgaria Varna (, ) is the List of cities and towns in Bulgaria, 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, t ...

Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

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, & 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