Castra

Castra was a region or a state on the UNSC colony world of Madrigal. It was the location of the Castra Arcology, the birthplace of Kojo Agu.

Trivia

 * "Castra" is Latin for an encampment or a military camp.

List of appearances

 * Halo 3: ODST Pre-mission Evaluation
 * Halo 3: ODST