Greece Says Turkey Encroaching on Continental Shelf With New Hydrocarbon Search

Turkish General Directorate of Mineral research and Exploration's (MTA) Oruc Reis seismic research vessel docked at Haydarpasa port in Istanbul, on August 23, 2019, which searches for hydrocarbon, oil, natural gas and coal reserves at sea. Ozan Kose/AFP via Getty Images

ATHENS—Greece urged Turkey on Sunday to rescind a naval advisory announcing hydrocarbon exploration activity in the Mediterranean, saying the area it covered included Greek continental shelf.

NATO members Turkey and Greece are at odds over conflicting claims to hydrocarbon resources in the eastern Mediterranean and the ranges of their continental shelves.