(in English): The topic of this thesis is poetic work of the premier sardinian poet Sebastiano Satta, in particular thematic constants and reflection of Sardinia in his work. The first chapter is dedicated to the brief overview of historic, social and political context of Sardinia from the unification of Italy until the first world war. Following chapters ale focused on the personal life and work of writor and his integration to the basic context of italian literature at the turn of the 19th and 20th century and their influence to his poetry. After that is thoroughly analyzed poetic work of Sebastiano Satta. There are also chapters regarding the questions of the language and thematic constants in the poetry of the writor. Follows analysis of minor poetry and collections of poems in chronologic way, as Nella Terra dei Nuraghes, Versi ribelli, Canti barbaricini and Canti del Salto e della Tanca. After that follows chapter regarding reception of the writor's poetry. In the final chapter, based on these analysis are evaluated thematic constants and their progress in the course of collections of poems.