Guy Bolagh-e Pain (Persian: گوي بلاغ پائين, also Romanized as Gūy Bolāgh-e Pā’īn; also known as Gūy Bolāgh-e Bālā, Kūy Bolāgh-e Pā’īn, Shāh Bolāgh, Shāh Bolāgh-e Pā’īn, Shāhbolāghī Pā’īn, Shāh Bolāghī-ye Pā’īn, Shāh Bolāgh Pā’īn, Shah Bolagh Sofla, and Shakh-Bulag-ashagy) is a village in Esperan Rural District, in the Central District of Tabriz County, East Azerbaijan Province, Iran. At the 2006 census, its population was 83, in 20 families.