Jason was a late ancient Greek

Ancient Greece

Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

 mythological

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

 hero from the late 10th Century BC, famous as the leader of the Argonauts

Argonauts

The Argonauts ) were a band of heroes in Greek mythology who, in the years before the Trojan War, accompanied Jason to Colchis in his quest to find the Golden Fleece. Their name comes from their ship, the Argo, which was named after its builder, Argus. "Argonauts", therefore, literally means...

 and their quest for the Golden Fleece

Golden Fleece

In Greek mythology, the Golden Fleece is the fleece of the gold-haired winged ram, which can be procured in Colchis. It figures in the tale of Jason and his band of Argonauts, who set out on a quest by order of King Pelias for the fleece in order to place Jason rightfully on the throne of Iolcus...

. He was the son of Aeson

Aeson

In Greek mythology, Aeson or Aison was the son of Cretheus and Tyro, who also had his brothers Pheres and Amythaon. Aeson was the father of Jason and Promachus with Polymede, the daughter of Autolycus. Other sources say the mother of his children was Alcimede or Amphinome...

, the rightful king of Iolcus. He was married to the sorceress Medea

Medea

Medea is a woman in Greek mythology. She was the daughter of King Aeëtes of Colchis, niece of Circe, granddaughter of the sun god Helios, and later wife to the hero Jason, with whom she had two children, Mermeros and Pheres. In Euripides's play Medea, Jason leaves Medea when Creon, king of...

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Jason appeared in various literature in the classical world of Greece and Rome, including the epic poem Argonautica and tragedy, Medea

Medea (play)

Medea is an ancient Greek tragedy written by Euripides, based upon the myth of Jason and Medea and first produced in 431 BC. The plot centers on the barbarian protagonist as she finds her position in the Greek world threatened, and the revenge she takes against her husband Jason who has betrayed...

. In the modern world, Jason has emerged as a character in various adaptations of his myths, such as the 1963 film Jason and the Argonauts and the 2000 TV miniseries of the same name.

Jason has connections outside of the classical world, as he is seen as being the mythical founder of the city of Ljubljana

Ljubljana

Ljubljana is the capital of Slovenia and its largest city. It is the centre of the City Municipality of Ljubljana. It is located in the centre of the country in the Ljubljana Basin, and is a mid-sized city of some 270,000 inhabitants...

, the capital of Slovenia

Slovenia

Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...

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Pelias

Pelias

Pelias was king of Iolcus in Greek mythology, the son of Tyro and Poseidon. His wife is recorded as either Anaxibia, daughter of Bias, or Phylomache, daughter of Amphion. He was the father of Acastus, Pisidice, Alcestis, Pelopia, Hippothoe, Asteropia, and Antinoe.Tyro was married to Cretheus...

 (Aeson's half-brother) was very power-hungry, and he wished to gain dominion over all of Thessaly

Thessaly

Thessaly is a traditional geographical region and an administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia, and appears thus in Homer's Odyssey....

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