Șiria is a commune in Arad County, Romania. According to the 2002 census it had 8,140 inhabitants. The commune is situated at 28 kilom…Șiria is a commune in Arad County, Romania. According to the 2002 census it had 8,140 inhabitants. The commune is situated at 28 kilometres from Arad, its administrative territory covers 12,106 hectares, and it lies in the contact zone of the Arad Plateau and the Zărand Mountains. It is composed of three villages: Galșa, Mâsca and Șiria.