Proper noun
A female given name from Ancient Greek
(Greek mythology) The goddess/personification of peace and one of the Horae. She is a daughter of Zeus and Themis, and her sisters are Dike and Eunomia. Her Roman counterpart is Pax.
(astronomy) 14 Irene, a main belt asteroid.
Source: en.wiktionary.orgThe nearby Hagia Eirene ("Holy Peace") church was completed earlier and served as cathedral until the Great Church was completed. Source: Internet