Gulf of Koper towns of Koper, Izola and Piran (the northern shore), along with the villages of Ankaran, Bertoki, Jagodje, Dobrava, Strunjan and Fiesa, are located by the gulf. 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
Peter the Great Gulf People's Liberation Army Navy's North Sea Fleet participated in Joint Sea 2013, which were bilateral naval maneuvers held in the Peter the Great Gulf. Joint Sea 2013 was the largest naval drill yet undertaken by the People's Liberation Army Navy with a foreign navy. Peter the Great Gulf The Peter the Great Gulf (Russian: Залив Петра Великого) is a gulf on the southern coast of Primorsky Krai, Russia, and the largest gulf of the Sea of Japan. The gulf extends for from the Russian-North Korean border at the mouth of the Tumen River in the west across to Cape Povorotny