Citadel Medieval Society is a living history group based in Queensland. The group were founded seventeen years ago and focus on two time periods and locations: the port of La Rochelle, France, in c. 1370 during the Hundred Years War; and the German warrior-monks the Livonian Brothers of the Sword (also known as the Sword Brethren or Schwertzbruder) who took part in the Livonian Crusade and operated in modern-day Estonia from 1202-1236, when they became the Livonian Order within the Teutonic Order. The group focus on combat (although other activities such as music and craft are practiced) and appear in full costume, and with weapons and tents, at various events. They are also available for hire.
For their website see http://citadel-medieval-society.webs.com/Index.html