Gulf of Koper
Koper Bay
Koprski zaliv (Slovene)
Debeli Rtič, the northernmost point of the gulf, with the Triglav in background
Gulf of Koper
Location	Europe
Coordinates	45°33′N 13°44′E / 45.550°N 13.733°E / 45.550; 13.733
Basin countries	Slovenia
Surface area	18 km2 (6.9 sq mi)
Settlements	Ankaran, Koper, Izola, Piran

The Gulf of Koper or Koper Bay (Slovene: Koprski zaliv, Croatian: Koprski zaljev, Italian: Golfo di Capodistria) is located in the northern part of the Adriatic Sea, and is a part of the Gulf of Trieste.

Overview

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,^[1] that is also the northernmost point of the Gulf of Piran.

The 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.