The article contains the analysis ofnames of the seas in olonkho P.A. Oyunsky’s ʻNurgun Bootur Swiftʼ. We identified the origins of names, its place and role in the text. The article leads to the conclusion that the names of the seas are originated in psychological transference by the people from their perception to the subject, marine names are part of the tirade ʻDescription of the Seaʼ, which is element of the different typical places and it performs various functions.