In Aztec belief, the sun god Huitzilopochtli holds immense significance as the god of war and the sun. He is considered the patron of Mexico City and symbolizes strength and victory. Huitzilopochtli's sustenance comes from human sacrifices, reflecting the importance of rituals and offerings in maintaining cosmic order. His connection to the sun emphasizes the Aztecs' appreciation for light, sustenance, and the cycles of life.