The Historical Archive-Museum of Hydra is open daily and consists of:
A. Archive Department, B. Museum Department, and C. Library.
On the ground floor, you can see exhibits from the Balkan Wars and the First and Second World Wars.
The upper floor houses a Historical Art Gallery with works by great painters, as well as memorabilia and relics from the years of the Revolution.
The building also houses a library with valuable old editions, a historical archive with manuscripts, documents, and codes from the 18th and 19th centuries, and various other archives.
Ecclesiastical and Byzantine Museum of Hydra
It is housed on the west side, in the area of the old cells, in the buildings of the Church dedicated to the Assumption of the Virgin Mary, the “Monastery,” as the Metropolis of Hydra is called.
It is a small Ecclesiastical and Byzantine Museum exhibiting vestments, relics, votive offerings, and icons, mainly from the 18th century.
Among them, the icon of the Virgin Mary “Rhodos Amarantos” stands out, dating back to around 1774.
Lazaros Kountouriotis House – Annex of the National Historical Museum
In Lazaros Kountouriotis’ mansion, you can see relics, paintings, and exhibits from the historical and folklore collections belonging to the National Historical Museum.
On the ground floor, in the old cellars of the mansion, there is a permanent exhibition of paintings by the artists Pericles and Constantine Byzantios.
On the upper floor, old furniture, mirrors, tableware, family portraits, and other heirlooms of the Kountouriotis family.
The upper floor displays historical and folklore collections with representative works of Modern Greek Art from the 18th and 19th centuries.
Georgios Kountouriotis House – Museum of Post-Byzantine Art and History
On the hillside, on the western side of the port of Hydra, the mansion of Georgios Kountouriotis stands out among the pine trees.
In 1991, the three-story building was purchased by the Ministry of Culture and converted into a Museum of Post-Byzantine Art and History.
The mansion of Georgios Kountouriotis displays personal items, objects, and heirlooms of the Kountouriotis family, as well as exhibits from the modern history of Hydra.