Boulder is a city in Colorado. After the deadly flu spreads across America, the followers of Abagail Freemantle, who has left Hemingford Home, Nebraska, travels to Boulder and established the Boulder Free Zone. Annie Wilkes worked at Boulder Hospital. For a while Jack Torrance, wife Wendy and son Danny lived on Arapahoe Street in Boulder. Harold Lauder lived also in Arapahoe Street when he and the rest of the group moved into Boulder.