The National Park of East Macedonia-Thrace which was established following interministerial decision 5796/1996, is one of the largest wetland parks in Greece and it covers an area of 93,000 ha.

It stands out for its great biological, aesthetic, scientific, geomorphological, and educational value. The National Park embrace’s the protected areas of Nestos Delta, Lake Vistonida, Lake Ismarida wetlands and their surrounding areas. Since 1971 the above wetlands have been protected in both national and European level as they are included in the Ramsar Convention on Wetlands. The Management Body of Nestos Delta - Vistonida – Ismarida was established in April 2003 as a statutory institution for the management of the National Park of East Macedonia-Thrace.