Zagustay (; , Zagahatai) is a rural locality (an ulus) in Kizhinginsky District, Republic of Buryatia, Russia. The population was 1,199 as of 2010.Всероссийские переписи населения 2002 и 2010 годов There are 11 streets.

Geography Zagustay is located 68 km east of Kizhinga (the district's administrative centre) by road. Khurtey is the nearest rural locality.Расстояние от Загустая до Кижинги

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