Thera is a Greek island also known as Santorini. Thera or Thira may also refer to: Places Thera, one of the ancient names of the city of Gümüşhane, Turkey Thera (Caria), a town of ancient Caria, now in Turkey Thira (crater), impact crater on Mars Thira (regional unit) of Greece Monks Thero or "Thera", an honorific term for senior, fully ordained Buddhist monks; traditionally one ordained for 10 or more years Thero, an elder monk of Theravada Buddhism; hence its etymology "Thera-vada", "Tradition of the Elders" Arts, entertainment, and media Thera, the capital of the fictional Theran Empire, in the tabletop role-playing game Earthdawn Thira (film), a 2013 Malayalam thriller film Thirra, a ritual dance performed in temples of Malabar Other uses Thera (moth), a genus of moth See also Fira, the main municipality of Santorini Tera (disambiguation) Terra (disambiguation) Thara (disambiguation)