Oan Citadel

The Oan Citadel is a fictional location featured in comic books published by DC Comics. It is associated with the Green Lantern series of comic titles and first appeared in Green Lantern, Volume 2 #1 in August, 1960.

Comics

 * Flashpoint: Abin Sur, the Green Lantern 1
 * Green Lantern Vol 2 1
 * Green Lantern Vol 2 59