Gulf of Koper Gulf of Koper The Gulf of Koper or Koper Bay (, , ) is located in the northern part of the Adriatic Sea, and is a part of the Gulf of Trieste. The gulf, named after the city of Koper, is part of the Slovene Riviera and is entirely located in Slovenian territory. Crossed by the river Rižana, it is 18 km² large and spans from Debeli Rtič, next to the borders with the Italian town of Muggia; to Rt Madona, a cape in the town of Piran, that is also the northernmost point of the Gulf of Piran. The
Gulf of Suez synrift and postrift Miocene to Holocene clastics and evaporites. Three large oil fields are in the gulf: the El Morgan discovered in 1964, Belayim discovered in 1955, and the October Field discovered in 1977. The October Field produces from the Cretaceous Nubia Formation, the Upper Cretaceous Nezzazat Formation, the Miocene Nukhul Formation, and the Miocene Asl Member of the Upper Rudeis Formation. Gulf of Suez The Gulf of Suez (; formerly , "", "Sea of Calm") is a gulf at the northern end of the Red Sea, to the west of the Sinai Peninsula. Situated to the east of the