Chatham Historic Dockyard is a maritime museum

Maritime museum

A maritime museum is a museum specializing in the display of objects relating to ships and travel on large bodies of water...

 on part of the site of the former royal/naval dockyard at Chatham in Kent

Kent

Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

Chatham Dockyard

Chatham Dockyard

Chatham Dockyard, located on the River Medway and of which two-thirds is in Gillingham and one third in Chatham, Kent, England, came into existence at the time when, following the Reformation, relations with the Catholic countries of Europe had worsened, leading to a requirement for additional...

 covered 400 acres (1.6 km²) and was one of the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

's main facilities for several hundred years until it was closed in 1984. After closure the dockyard was divided into three sections. The easternmost basin was handed over to Medway Ports

Medway Ports

Medway Ports, incorporating the Port of Sheerness and Chatham Docks is part of Peel Ports, the second largest port group in the United Kingdom. The Ports authority is also responsible for the harbour, pilotage and conservancy matters for of the River Medway, from the Medway Buoy to Allington Lock...

 and is now a commercial port.