The Ulster Museum is located in the Botanic Gardens in Belfast, County Antrim, Northern Ireland, and has around 8,000 square metres of public display space, featuring material from the collections of fine art and applied art, archaeology, ethnography, treasures from the Spanish Armada, local history, numismatics, industrial archaeology, botany, zoology and geology. It is the largest museum in Northern Ireland, and one of the components of National Museums Northern Ireland.
The Ulster Museum was closed for nearly three years (2006 to October 2009) while it was under renovation. It re-opened to the public on 22 October 2009, on its 80th anniversary. The renovation work was supported by the National Lottery and the Northern Ireland Executive's Department of Culture, Arts and Leisure.