Dragons in Greek mythology placed it in the heavens as the constellation Cancer. After slaying the serpent, Heracles buried the immortal head under a rock and dipped his arrows in the creature's blood to make them fatal to his enemies. In one version, the poisoned arrows would eventually prove to be the undoing of his centaur tutor Chiron, who was placed in the heavens as the constellation Centaurus. In Greek mythology Python was the earth-dragon of Delphi, always represented in the vase-paintings and by sculptors as a serpent. Various myths represented Python as being either male or female (a drakaina). Python was the chthonic
Hydra (island) Hydra (island) Hydra (, pronounced in modern Greek) is one of the Saronic Islands of Greece, located in the Aegean Sea between the Saronic Gulf and the Argolic Gulf. It is separated from the Peloponnese by a narrow strip of water. In ancient times, the island was known as Hydrea (῾Υδρέα, derived from the Greek word for "water"), a reference to the natural springs on the island. The municipality of Hydra consists of the islands Hydra (pop. 1948, area ), Dokos (pop. 18, area ), and a few uninhabited islets, total area . The province of Hydra () was one