Ultonia Regiment (Spain)
The Ultonia Regiment (Regimiento "Ultonia") was one of the three Irish regiments in the service of the Spanish crown during the 18th and 19th centuries, its sister regiments being the Irlanda Regiment and the Hibernia Regiment.
Among its many actions, during the Peninsular War the Ultonia Regiment was garrisoned at Girona during the first (June 1808), second (24 July to 16 August 1808) and third sieges (1809) of that city.