Gulf of Trieste features are: The entire Slovenian coastline is located on the Gulf of Trieste. Its length is . Towns along the coastline include (from east to west) Koper, Izola, and Piran. Gulf of Trieste The Gulf of Trieste (, , , ) is a very shallow bay of the Adriatic Sea, in the extreme northern part of the Adriatic Sea. It is part of the Gulf of Venice and is shared by Italy, Slovenia and Croatia. It is closed to the south by the peninsula of Istria, the largest peninsula in the Adriatic Sea, shared between Croatia and Slovenia. The entire
Gulf of Patras of 350–400 km. The port city of Patras lies to the southeast and is the only major port on the gulf. It serves ferries to Ancona and Brindisi in Italy and to Cephalonia. On the northern shore Missolonghi also has a port. The old ports of Rio and Antirrio lie at the east end of the Gulf; there is a ferry service between them which complements the traffic over the Rio-Antirio bridge. The gulf is rich in fish as well as molluscs including sea snails and clams. A number of major naval battles took place in the Gulf of Patras: