Hellenic Petroleum S.A. (Hellenic Petroleum) is one of the largest industrial and commercial groups in Greece. Its activities include exploration and production of oil and gas, refining, retailing, production of petrochemicals and chemicals and others. The group conducts its business activities under the following segments: Refining, Marketing, Exploration & Production, Petrochemicals, Gas & power, and other. The group primarily operates in Greece. Through its subsidiaries, it has operations in Skopje, in the Former Yugoslavic Republic of Macedonia (FYROM), Georgia, Serbia and Montenegro, Bulgaria, Cyprus, Austria, Albania and Libya. Hellenic Petroleum is headquartered in Athens, Greece.