The Museum of History and Archives of Hydra, operates daily. There are:
A. File Department, B. Museum department and C. Library. .
At the ground floor are displayed exhibits from the Balcan and first and second World Wars.
In the floor it runs a picture-gallery and are displayed heirlooms and souvenirs from the Greek Revolution.
In the Museum, it is also housed the public Library of Hydra with old and valuable books, codes and archives from 18th and 19th century
It is housed on the west side, in the area of the old cells, in the building facilities of the Church, which is dedicated to the Dormition of the Virgin, the “Monastery”, as the Metropolis of Hydra is called.
It is a small Ecclesiastic and Byzantine Museum, in which are displayed canonicals, relics, oblations and icons from the 18th century.
Among them stands out the icon of the Virgin Mary “Rhodo Amaranto”, dated around 1774, (Seen in the photo above).
Inside the Manor of Lazaros Kountouriotis are displayed family heirlooms, personal belongings, paintings and exhibits from the folkoric and historical collections, which belong to the National Museum of History.
In the ground floor, the visitor can see various painting from the artists Periklis and Konstantinos Byzantios.
In the floor there are exhibits of old furniture, mirrors, portraits and family heirlooms of thefamily Kountouriotis.
On the upper floor, historical and folklore collections with representative works of Modern Greek Art of the 18th and 19th centuries are exhibited.
The Manor of George Kountouriotis is located to the west side of the harbour, to the bank of the hill, between the pine trees.
In 1991 the three stories tall Manor was bought from the Ministry of Culture and then it operated as a Museum.
In the Mansion of Georgios Kountouriotis, personal belongings, objects, heirlooms of the Kountouriotis family and exhibits from the Recent History of Hydra are exhibited.