Burgastay (; , Burgaastai) is a rural locality (an ulus) in Selenginsky District, Republic of Buryatia, Russia. The population was 96 as of 2010.Всероссийские переписи населения 2002 и 2010 годов

Geography Burgastay is located 38 km south of Gusinoozyorsk (the district's administrative centre) by road. Novoselenginsk is the nearest rural locality.Расстояние от Бургастая до Гусиноозерска

References