The Aztec Empire is an autocratic, absolute and hereditary monarchy. The emperor of the Aztec Empire is worshipped as a living god, son of the gods and supreme ruler of the empire. The emperor rules the nation with an iron fist. He and his family reside in the Palace of Tenochtitlan, in the heart of the city. The emperor has infallibility, inviolability and his word is law. Some of the titles that the emperor carries are "His Divineness the Almighty Emperor of the Great Empire of the Triple Alliance", Divine God-Emperor and Great Ruler of the Khmer People. There have been multiple instances of a reigning empress, such as Atotoztli, Tenochzitza and Teotlalco. The current constitution allows women to ascend to the throne. The current emperor is Quatzalzuma III. He was crowned emperor in 2008