The Royal Armouries is the United Kingdom's National Museum of Arms and Armour. It is the United Kingdom's oldest museum, originally housed in the Tower of London from the 15th century, and one of the oldest museums in the world. It is also one of the oldest and largest collections of arms and armour in the world, comprising the UK's National Collection of Arms and Armour, National Artillery Collection, and National Firearms Collection. Its historic base is in the Tower of London, but today the collection is split across three sites:
From 2004 to 2015, a limited selection of items was also on display in Louisville, Kentucky, in the United States, in cooperation with the Frazier History Museum.
