Claim: Shirin Su also known as Shīrūnsū, is a city in Iran, in Kabudarahang county, province of Hamadan, with a total population of 2,280, in 507 families as of 2006.
Evidence: Shirin Su (Persian: شيرين سو‎, Azerbaijani: Şirin Su, also Romanized as Shīrīn Sū and Shīrīn Soo; also known as Shīrūnsū) is a city and capital of Shirin Su District, in Kabudarahang County, Hamadan Province, Iran. At the 2006 census, its population was 2,280, in 507 families.