The Poetic Edda is a collection of old Norse poems primarily contained in the Icelandic mediaeval manuscript Codex Regius. The Poetic Edda is one of the largest source of information from Norse mythology, containing stories of Norse gods like Loki and Odin, creatures and mortal and Norse heroes. In 1971 the Codex Regius which contains most of the Poetic Edda was returned to Iceland.