Apollo Abaeus was a toponymic epithet

Epithet

An epithet or byname is a descriptive term accompanying or occurring in place of a name and having entered common usage. It has various shades of meaning when applied to seemingly real or fictitious people, divinities, objects, and binomial nomenclature. It is also a descriptive title...

 of the Greek god

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

 Apollo

Apollo

Apollo is one of the most important and complex of the Olympian deities in Greek and Roman mythology...

, derived from the town of Abae

Abae

Abae , is an ancient town in the northeastern corner of Phocis, in Greece. It was famous in antiquity for its oracle of Apollo Abaeus, one of those consulted by Croesus, king of Lydia, and Mardonius, among others....

 in Phocis

Phocis

Phocis is one of the regional units of Greece. It is part of the administrative region of Central Greece. It stretches from the western mountainsides of Parnassus on the east to the mountain range of Vardousia on the west, upon the Gulf of Corinth...

, where the god had a rich temple renowned for its oracle

Oracle

In Classical Antiquity, an oracle was a person or agency considered to be a source of wise counsel or prophetic predictions or precognition of the future, inspired by the gods. As such it is a form of divination....

s, which were said to have been consulted by Croesus

Croesus

Croesus was the king of Lydia from 560 to 547 BC until his defeat by the Persians. The fall of Croesus made a profound impact on the Hellenes, providing a fixed point in their calendar. "By the fifth century at least," J.A.S...

 and Mardonius

Mardonius

Mardonius was a leading Persian military commander during the Persian Wars with Greece in the early 5th century BC.-Early years:Mardonius was the son of Gobryas, a Persian nobleman who had assisted the Achaemenid prince Darius when he claimed the throne...

, among others.

This temple of Apollo Abaeus was destroyed by the Persians in the invasion of Xerxes

Xerxes I of Persia

Xerxes I of Persia , Ḫšayāršā, ), also known as Xerxes the Great, was the fifth king of kings of the Achaemenid Empire.-Youth and rise to power:...

, and a second time by the Boeotia

Boeotia

Boeotia, also spelled Beotia and Bœotia , is one of the regional units of Greece. It is part of the region of Central Greece. It was also a region of ancient Greece. Its capital is Livadeia, the second largest city being Thebes.-Geography:...

ns. It was rebuilt by Hadrian

Hadrian

Hadrian , was Roman Emperor from 117 to 138. He is best known for building Hadrian's Wall, which marked the northern limit of Roman Britain. In Rome, he re-built the Pantheon and constructed the Temple of Venus and Roma. In addition to being emperor, Hadrian was a humanist and was philhellene in...

.