ITUR (Italy - Turkey - Ukraine - Russia) is a submarine communications cable system linking the aforementioned countries.
It has landing points in: Palermo, Sicily, Italy Istanbul, Turkey Odesa, Ukraine Novorossiysk, Russia
References
https://web.archive.org/web/20070930122255/http://foptnet.ge/map2eng.htm Map of the cable system (3 Systems BSFOCS, KAFOS, & ITUR)