One of the main attractions of the Greek island of Hydra, which played a major role in the liberation war of the Greek people for independence from the Ottoman Empire, of course, is the Museum of Historical Archives Hydra. This museum is considered one of the best museums in the country, and perfectly illustrates the history of the Greek Revolution and the formation of the modern Greek state, as well as the history, traditions and culture of the island, starting from the beginning of the 18th century to the present day.

The museum was founded in 1918 and housed in an elegant mansion owned by a native of the island, the ship-owner and philanthropist Gikasu Kulurusu. The basis of the museum's collection was unique Municipal Archives Hydra (1708-1865) discovered the current mayor of Antonios D. Lignos in the church of the Assumption. In 1952, the museum building was officially donated to the state, and has since been administered by the Ministry of Education and supervised by the National Archives of Greece. In 1972 the old building was demolished and in its place built a new one. In 1996, the new Museum of Historical Archives Hydra opened its doors to visitors.

In the museum you can see the unique relics related to the Greek Revolution, the Balkan wars, the First and Second World Wars, as well as exhibits of pre-revolutionary period - weapons, navigation equipment, a superb collection of nautical charts (including Larger Map Rigas Fereosa) model ships, traditional clothing residents Hydra, prints and more. A special place in the museum takes silver lekythos, which houses the embalmed heart of the admiral Miaoulis. Deserves special attention and excellent art gallery, which features portraits of prominent historical figures (Andreas Miaoulis, Emmanuel Tombazis etc.) and paintings depicting the ships (mainly watercolors).

A unique archive, which houses the museum, is an enormous historical value and contains a large number of different documents (original documents, manuscripts, codes, lists, etc.) from both the public and private archives, telling details about the island of Hydra, its history , traditions and culture of its residents. There is in the museum and an excellent library, which has more than 6,000 volumes, impressive part of them - old and rare books dating from the early 18th century.

The museum regularly hosts temporary exhibitions, thematic lectures and seminars, educational programs and cultural events.