Asgard
\ ˈas-ˌgärd , ˈaz- \
Enclosure of the Æsir
āsgarthr “ the home of the Vanir”
Asgard, Asguard, Asgaard, Aesgaard, Aasgard, or Asgård is composed of 12 realms including Valhalla, Thrudheim, Breidablik that are ruled by Odin, Thor and Baldr respectively. Asgard is encircled by a great wall partially built be an unamed giant and his stallion Svardifari.
Each important god had his own palace in Asgard, and many Germanic peoples believed that these mansions were similar in design to those of their own nobility. Asgard could be reached from earth only by the bridge Bifrost (the rainbow).