Erytheia is one of the twelve labors of Hercules in Greek mythology. It refers to the island where Hercules was tasked with capturing the cattle of the giant Geryon. This labor was significant as it showcased Hercules' strength and determination in overcoming formidable challenges. The island of Erytheia is often associated with the westernmost part of the known world in ancient times. It is believed to be located near the Strait of Gibraltar, linking it to the mythological themes of adventure and exploration. The story of Erytheia highlights the heroic feats of Hercules and the mythical creatures he encountered.