Austral plain

• the great Austral plain: a feature of the georgraphy of New South Wales
• The Great Austral Plain:: an 1887 travel book by Anglo-Australian explorer Ernest Favenc
• the astral plane: a plane of existence postulated by classical (particularly neo-Platonic), medieval, oriental and esoteric philosophies and mystery religions. It is the world of the planetary spheres, crossed by the soul in its astral body on the way to being born and after death, and generally said to be populated by angels, spirits or other immaterial beings.