Phasis (mythology)
In Greek and Roman mythology, Phasis (Ancient Greek: Φᾶσις, romanized: Phâsis) is one of the numerous river-gods, deities presiding over rivers. He is the personification of the river Phasis, now known as the Rioni, the principal river of the kingdom of Colchis in the southeastern Caucasus. Tales related to Phasis survive in the works of late-antiquity authors.