Hermes in the context of "Iphthime"

Religious practices in ancient Greece encompassed a collection of beliefs, rituals, and mythology, in the form of both popular public religion and cult practices. The application of the modern concept of "religion" to ancient cultures has been questioned as anachronistic. The ancient Greeks did not have a word for 'religion' in the modern sense. Likewise, no Greek writer is known to have classified either the gods or the cult practices into separate 'religions'. Instead, for example, Herodotus speaks of the Hellenes as having "common shrines of the gods and sacrifices, and the same kinds of customs".

Most ancient Greeks recognized the twelve major Olympian gods and goddesses—Zeus, Hera, Poseidon, Demeter, Athena, Ares, Aphrodite, Apollo, Artemis, Hephaestus, Hermes, and either Hestia or Dionysus—although philosophies such as Stoicism and some forms of Platonism used language that seems to assume a single transcendent deity. The worship of these deities, and several others, was found across the Greek world, though they often have different epithets that distinguished aspects of the deity, and often reflect the absorption of other local deities into the pan-Hellenic scheme.

In ancient Greece, deities were regarded as immortal, anthropomorphic, and powerful. They were conceived of as individual persons, rather than abstract concepts or notions, and were described as being similar to humans in appearance, albeit larger and more beautiful. The emotions and actions of deities were largely the same as those of humans; they frequently engaged in sexual activity, and were jealous and amoral. Deities were considered far more knowledgeable than humans, and it was believed that they conversed in a language of their own. Their immortality, the defining marker of their godhood, meant that they ceased aging after growing to a certain point. In place of blood, their veins flowed with ichor, a substance which was a product of their diet, and conferred upon them their immortality. Divine power allowed the gods to intervene in mortal affairs in various ways: they could cause natural events such as rain, wind, the growing of crops, or epidemics, and were able to dictate the outcomes of complex human events, such as battles or political situations.

As ancient Greek religion was polytheistic, a multiplicity of gods were venerated by the same groups and individuals. The identity of a deity was demarcated primarily by their name, which could be accompanied by an epithet (a title or surname); religious epithets could refer to specific functions of a god, to connections with other deities, or to a divinity's local forms. The Greeks honoured the gods by means of worship, as they believed deities were capable of bringing to their lives positive outcomes outside their own control. Greek cult, or religious practice, consisted of activities such sacrifices, prayers, libations, festivals, and the building of temples. By the 8th century BC, most deities were honoured in sanctuaries (temenē), sacred areas which often included a temple and dining room, and were typically dedicated to a single deity. Aspects of a god's cult such as the kinds of sacrifices made to them and the placement of their sanctuaries contributed to the distinct conception worshippers had of them.

Zeus (/zjuːs/, Ancient Greek: Ζεύς) is the chief deity of the Greek pantheon. He is a sky and thunder god in ancient Greek religion and mythology, who rules as king of the gods on Mount Olympus.

Zeus is the child of Cronus and Rhea, the youngest of his siblings to be born, though sometimes reckoned the eldest as the others required disgorging from Cronus's stomach. In most traditions, he is married to Hera, by whom he is usually said to have fathered Ares, Eileithyia, Hebe, and Hephaestus. At the oracle of Dodona, his consort was said to be Dione, by whom the Iliad states that he fathered Aphrodite. According to the Theogony, Zeus's first wife was Metis, by whom he had Athena. Zeus was also infamous for his erotic escapades. These resulted in many divine and heroic offspring, including Apollo, Artemis, Hermes, Persephone, Dionysus, Perseus, Heracles, Helen of Troy, Minos, and the Muses.

In ancient Greek religion and mythology, the twelve Olympians are the major deities of the Greek pantheon, commonly considered to be Zeus, Poseidon, Hera, Demeter, Aphrodite, Athena, Artemis, Apollo, Ares, Hephaestus, Hermes, and either Hestia or Dionysus. They were called Olympians because, according to tradition, they resided on Mount Olympus.

Besides the twelve Olympians, there were many other cultic groupings of twelve gods.

Pieria (Greek: Πιερία) is one of the regional units of Greece located in the southern part of the Region of Central Macedonia, within the historical province of Macedonia. Its capital is the town of Katerini. The name Pieria originates from the ancient Pieres tribe. In Pieria, there are many sites of archeological interest, such as Dion, Pydna, Leivithra and Platamonas. Pieria contains Mount Pierus, from which Hermes takes flight in order to visit Calypso, and is the home of Orpheus, the Muses, and contains the Pierian Spring. Mount Olympus, the highest mountain in Greece and throne of the ancient Greek gods, is located in the southern part of Pieria. Other ancient cities included Leibethra and Pimpleia.

Arcadia (/ɑːrˈkeɪdiə/; Greek: Ἀρκαδία, romanized: Arkadía) is a region in the central Peloponnese, Greece. It takes its name from the mythological character Arcas, and in Greek mythology it was the home of the gods Hermes and Pan. In European Renaissance arts, Arcadia was celebrated as an unspoiled, harmonious wilderness; as such, it was referenced in popular culture.

The modern regional unit of the same name more or less overlaps with the historical region, but is slightly larger.

The gymnasium (Ancient Greek: γυμνάσιον, romanized: gymnásion) in Ancient Greece functioned as a training facility for competitors in public games. It was also a place for socializing and engaging in intellectual pursuits. The name comes from the Ancient Greek term gymnós, meaning "naked" or "nude". Only adult male citizens were allowed to use the gymnasia.

Athletes competed nude, a practice which was said to encourage aesthetic appreciation of the male body, and to be a tribute to the gods. Gymnasia and palaestrae (wrestling schools) were under the protection and patronage of Heracles, Hermes and, in Athens, Theseus.