The Assyrian Pentecostal Church (Syriac: ܥܕܬܐ ܕܐܚܘܢܘ̈ܬܐ ܦܢܛܩܘܣܛܝ̈ܐ ܐܬܘܪ̈ܝܐ‎, ‘Ittā d-Akhonāwāthā Pēnṭēqosṭāyē Ātūrāyē; Persian: کلیسای پنطیکاستی آشوری‎), is a Reformed Eastern Christian denomination that began in ethnically Assyrian villages across the Urmia region in northwestern Iran, spreading to the Assyrians living in the adjacent cities, and from there to indigenous Assyrian communities in the Assyrian Homeland, northern Iraq, southeastern Turkey and northeastern Syria.