The Aitoliko or the Etoliko Lagoon (Greek: Λιμνοθάλασσα Αιτωλικού Limnothalassa Aitolikou or -Etolikou) is a lagoon

Lagoon

A lagoon is a body of shallow sea water or brackish water separated from the sea by some form of barrier. The EU's habitat directive defines lagoons as "expanses of shallow coastal salt water, of varying salinity or water volume, wholly or partially separated from the sea by sand banks or shingle,...

 located in the south of the Etoloakarnania

Aetolia-Acarnania

Aetolia-Acarnania is one of the regional units of Greece. It is part of the region of West Greece. It is located in the western part of Greece; the regional unit is a combination of the geographic regions Aetolia and Acarnania. Its capital is Missolonghi for historical reasons, with its biggest...

 prefecture and forms a part of the Acheloos

Acheloos

Acheloos may refer to:* Acheloos River, in Greece* Achelous, a river deity in Greek mythology* Acheloos , a municipality in the Karditsa prefecture, Greece...

 river. In the middle of the lagoon is a small island which has a city that is also named Aitoliko

Aitoliko

Aitoliko is a town and a former municipality in Aetolia-Acarnania, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Messolonghi, of which it is a municipal unit. It is located north of the Acheloos delta. The Greek National Road 5/E55 passes through the...

. The road linking Astakos

Astakos

Astakos is a town and a former municipality in Aetolia-Acarnania, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Xiromero, of which it is a municipal unit. It is located on the eastern shore of the Ionian Sea but small hills to the west of the town block...

 and the GR-5

Greek National Road 5

Greek National Road 5 is a highway in Western Greece. It runs from 2 km south of Rio at GR-8/GR-9 , or at the beginning of the Patras By-Pass in the south up to the city centre of Ioannina. It is now connected with a new bridge, the Rio-Antirio bridge and for 5 km is a joint with GR-48...

/E55

European route E55

European route E 55 is a E-route. It passes through the following cities:Helsingborg … Helsingør – Copenhagen – Køge – Vordingborg – Nykøbing Falster – Gedser … Rostock – Berlin – Lübbenau – Dresden – Teplice – Prague – Tábor – Linz – Salzburg – Villach – Tarvisio – Udine – Palmanova – Mestre...

 (Antirrio

Antirrio

Antirrio is a former municipality in Aetolia-Acarnania, West Greece, Greece. Since the 2011 local government reform it is part of the municipality Nafpaktia, of which it is a municipal unit...

 - Agrinio

Agrinio

Agrinion is the largest city and municipality of the Aetolia-Acarnania peripheral unit of Greece, with 96,321 inhabitants. It is the economical center of Aetolia-Acarnania, although its capital is the town of Mesolonghi. The settlement dates back to ancient times...

 - Ioannina

Ioannina

Ioannina , often called Jannena within Greece, is the largest city of Epirus, north-western Greece, with a population of 70,203 . It lies at an elevation of approximately 500 meters above sea level, on the western shore of lake Pamvotis . It is located within the Ioannina municipality, and is the...

 lies to the south. The Acheloos

Acheloos

Acheloos may refer to:* Acheloos River, in Greece* Achelous, a river deity in Greek mythology* Acheloos , a municipality in the Karditsa prefecture, Greece...

 river flows to the west.

The lagoon was created by an earthquake

Earthquake

An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time...

 and is 28 metres deep. Its water is sweet. For this reason, it is a better fishing area than the neighbouring Messolongi Lagoon

Messolongi Lagoon

The Messolongi Lagoon is a lagoon located in the south of the Etoloakarnania prefecture and is a piece of a sea and the Gulf of Patras. It was undepth by the shores of the Gulf of Patras in which...

.