Who is holding Odysseus captured?

Odysseus is captured by the nymph Calypso, who lives on the island of Ogygia. She falls in love with him and keeps him there for seven years, longing for him to stay. Despite her affection, Odysseus yearns to return home to Ithaca and his wife, Penelope. Ultimately, the gods intervene, and Hermes is sent to persuade Calypso to let him go.