Opal City is a city located in the United States.
- "Broken Arrow" (mentioned)
Behind the scenes
- In the DC comics, Opal City is located in Maryland and is the home of the hero Starman and his descendants, as well as their archenemies, including the Mist. Elongated Man is another notable character that has lived in and called Opal City home for a period of time. Other residents include the villain turned anti-hero Shade and the ghost of the 16th century hero, The Black Pirate.