The Kingdom of Lochac is one of twenty "Kingdoms" or regions, of the Society for Creative Anachronism (SCA) - an international organization dedicated to researching and recreating aspects of the Middle Ages. Comprising Australia, New Zealand and their Antarctic territories, it is made up of almost 40 local groups. It is currently ruled by King Theuderic and Queen Engelin. The kingdom takes its name from a Dutch term for Australia dating from 1630.