Lake Koroneia

It is also known as Lake Agios Vasileios after the village Agios Vasileios and as Lake Langadas after the town Langadas, and is located about 14 kilometres east of Thessaloniki city centre.

Since then, its area has declined and the distance from neighboring Lake Volvi is becoming larger.

[2] In spite of being a wetland of international importance, as recognized by the Ramsar Convention,[3] the lake suffers from pollution and intensive agriculture.

[4] In 2019, Lake Koroneia's worsening situation drew widespread attention and coverage by the Greek media, with reports for further water level decreases and sights of dead fish on its shores.

The Greek government announced that the Ministries responsible for the lake, are working on urgent measures to help prevent the ecological catastrophe and improve the lake's situation.