Sareyn Sareyn Sareyn (, also Romanized as Sar‘eyn, Sara’eyn, Sar‘eīn, Sar ‘Eyn, and Sarein) is a city in and the capital of Sareyn County, in Ardabil Province, Iran. Sareyn is known for its hot springs. The population is about 8000, and increases to more than 20000 in the summer because of the many tourists who go there due to the charming climate. It stands 25 km from Ardabil and total area is 1.28 square km. At the 2006 census, its population was 4,478, in 1,135 families. The Sareyn springs are near an inactive volcano in mount Sabalan and its water contains
Mount Arayat mountain, angry due to the deforestation that was happening. Others say that it was Aring Sinukuan. Fumarole activity is reported on the NW side of the summit. The Global Volcanism Program lists Mount Arayat as "Holocene?" Philippine Institute of Volcanology and Seismology (PHIVOLCS), list Mount Arayat as Inactive. Mount Arayat Mount Arayat is an inactive basaltic volcano on Luzon Island, Philippines, rising to a height of . The volcano has a breached crater on its northwest side with a smaller andesitic dome in the collapse amphitheater. There are no historical records of eruption in Arayat and the only dated rocks