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
Buldir Volcano basaltic lava flows and pyroclastic debris. A cone made of tuff tops the mountain, built over the ancient calderas of the volcano. Dating suggests that the last eruptions on the island, from East Cape, were at least 2000 years ago, and could have possibly taken place before the Holocene. The island supports a limited variety of flora and fauna. The population of Aleutian cackling geese contributed to a re-expansion of the species, preventing their extinction. Buldir Volcano Buldir Volcano is an inactive stratovolcano located on Buldir Island in the Aleutian Islands of Alaska, once described as "the westernmost volcanic center