Aciremalei was a monarchical region in central Csilla ruled by kings of the Acirema line. As of 4,080 BBY, King Acirema XI was ruler, being the eleventh ruler of the Acirema dynasty, prior to which the D'Nalgne dynasty was in power when the region was called D'Nalgnelei; before this it was Evitanlei, ruled by the Evitan line and so on. Aciremalei's capital and largest city was Aibmuloc City. Its second largest city, as well as the region's leading military center, was Sulumor.