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
Gulf of Aqaba over Greater Syria. The Marine Twilight Zone Research and Exploration program (MTRX) was set up in 2003 by the Interuniversity Institute for Marine Sciences of Eilat to conduct research on the deep coral reef systems of the northern Red Sea. The gulf is one of the most popular diving destinations in the world. About 250,000 dives are performed annually in Eilat's 11 km coastline, and diving represents 10% of the tourism income of this area. The Landscape of Wadi Rum to the east of the northern edge of the gulf is a popular destination. Other destinations are the ruins of