Araujo's last name has a local origin and was adopted by people born in this beautiful region of Spain.
Many Spanish names reflect Arabic words or place names because the Muslim occupation of the region over the centuries VIII to XII.
Araujo lineage originally lived near a water body (lake or river)

Some variations of this family name include: Arroyo, Arroyo, Arroyos, Arroyal.

The origin of the name is Castile, an important Christian kingdom of medieval Spain