The museum was established in 1960, but was enlarged between 1961 and 1962. It underwent further renovation and extension between 1987 and 1991 by the 11th Ephorate of Antiquities of the Greek Archaeological Service in collaboration with the Swiss School of Archaeology in Greece.
The museum, which is located adjacent to the archaeological site of Eretria, contains artifacts unearthed at Xeropolis, the cemetery of Skoumbri, Palaia Perivolia, and Toumba in Lefkandi, at Paliochora and Geraki hill in Amarynthos and at Eretria and Magoula. Many artifacts found at Eretria though are on display at the National Archaeological Museum in Athens and in the Louvre in Paris.

Location of Archaeological Museum & Site of Eretria

Source: en.wikipedeia.org