Question: where does the dragon make its lair in beowulf

title: The Dragon (Beowulf)
text: After his battles against Grendel 's mother and Grendel , Beowulf returns to homeland and becomes king of the Geats . Fifty years pass with Beowulf leading as a wise king , when a local dragon is angered when a slave enters its lair and takes a cup from its treasure . The creature attacks the neighboring towns in revenge . Beowulf and a troop of men ( `` the Geats '' ) leave to find the dragon 's lair . The Geats run away in fear , leaving only Beowulf and his young companion Wiglaf to slay the dragon . Beowulf receives a fatal wound from the dragon , but Wiglaf impales the dragon 's belly to reduce the flames , and Beowulf deals the fatal blow . In his death - speech , Beowulf nominates Wiglaf as his heir , and that of the treasure .