Abilunon is the presumed name of an ancient Celtic town, founded in the first century B.C. on a strategic peninsula in the Vltava {see planet  (2123)} river. The remains of the town are at the foot of Kleť {see planet  (2199)} mountain. The name was mentioned on a map of the world by Ptolemy {see planet  (4001)}. (M 43762) _ _.