What is an Asgard?

Asgard (or Asgard, Asguard, Asgaard, Aasgaard, Aasgard, or Asgård ) comes from Norse Mythology. It is said to be one of the Nine Worlds and is the country or capital city of the Norse Gods. However normally Asgard and Valhalla go hand in hand. Valhalla is said to have Valkyries, battle maidens whom rertrevie fallen soldiers and bring to Valhalla.