From The Urban Dead Wiki
Greater Ridleybank is a group of suburbs near Ridleybank claimed by The Ridleybank Resistance Front. These suburbs often have large numbers of zombies and are highly if not fatally dangerous to the average survivor.
Greater Ridleybank is prowled by the Ridleybank Resistance Front Department of Homeland Security; they go to great lengths to keep survivors out. The DoHS HQ is Moggridge Place Police Department in Ridleybank, the DoHS West HQ is Gerrish Place Police Department in Barhahville, and the Stanbury Village HQ is Kersley Mansion.