Illyriaqüm was the capital city of the planet Shiva IV. It was the location of Peacebringer's palace. General Bentilais san Sk'ar attempted to destroy the city with an anti-matter bomb, but was stopped by Aron Peacebringer, Leia Organa, Luke Skywalker, Lando Calrissian, Kéral Longknife, and Chewbacca. The Imperials were repelled and General Sk'ar was killed while trying to escape. Afterwards a victory celebration was held at the city's Great Hall.