What does Ausonia mean in Latin?

Ausonia, a proper noun, means “A historic region of Italy roughly corresponding with Campania.; Italy”.

What is the genitive of Ausonia?

The genitive singular is Ausoniae. Ausonia is feminine, first declension.

proper noun · femininefirst declension

Ausonia f sg (genitive Ausoniae)

From Ancient Greek Αὐσονίᾱ (Ausoníā).

What does Ausonia mean in Latin?: Ausonia, a proper noun, means “A historic region of Italy roughly corresponding with Campania.; Italy”.
What is the genitive of Ausonia?: The genitive singular is Ausoniae. Ausonia is feminine, first declension.