The Haven

Prior to Season 1
Several months after the original BVP outbreak, the virus had spread to the United States and much of the nation was under quarantine and martial law. All school was suspended in country and the school that became the Haven was turned into a base of operation by the U.S. Military to keep stability in local area. Several weeks before the collapse the American government the military swiftly abandoned the building leaving a large stash of weapons and supplies behind. Upon the collapse of the United States the twenty three that would come to inhabit the school were about enter a mass exodus into neighboring Canada which had survived as a nation. All twenty three and their families were about to board a train that would begin a journey. However the train was attack by the Athenian Militia(Predecessor to the Athenian Brotherhood). Everyone was divided from their families and found each other by chance. Upon this event the twenty-three returned to their former school, knowing it to be safe. This would begin the formation of the Haven, and create the origins of the war between the Haven and the Brotherhood.

Season 1
The Haven is first mentioned in the very first episode, and is the setting for the entirety of the season.