hieron

Hieron is a classical Greek term meaning a sacred place, sanctuary, or temple. In ancient Greek religion and urban planning, a hieron denotes the place dedicated to a deity where cult activities, sacrifices, and rituals took place. The term can refer to the temple building itself or, more broadly, to the surrounding sacred precinct that may include altars, treasuries, statue cults, and other sacred structures. In linguistic and scholarly contexts, hieron is often contrasted with naós, the inner sanctuary or temple proper, and with temenos, the fenced sacred enclosure.

Etymology and related terms come from the Greek root hier- meaning sacred. The neuter noun ἱερόν (hieron) gives rise to numerous English and scholarly terms that convey sacredness, such as hierarchy (rule by sacred authorities), hierophany (a manifestation of the sacred), and hieroglyph (an ancient sacred inscription). The prefix hier- appears in a wide range of religious and archaeological vocabulary.

In scholarship, hieron is used to describe sanctuaries across the Greek world, from Panhellenic sites to local cult spaces. It emphasizes the place as a center of worship rather than a single temple building. The concept also appears in inscriptions and ancient descriptions to designate the entire sacred precinct associated with a deity or cult.

Hieron is also the name of historical rulers in the Greek world, notably Hieron II of Syracuse (c. 270–215 BCE), whose Latinized form is Hiero. The use of the word in that context reflects the same Greek root meaning sacred, though the personal name is distinct from the generic term for sanctuary.