The thesis focuses on two plays and one poetry collection by Federico García Lorca; El público, Así que pasen cinco an͂ os and Poeta en Nueva York, which together form the New York cycle and represent a new and unique phase in his compositions both from the point of view of content and form. The thesis concentrates on several distinctive motifs and themes related to the problem of human identity; ie the motifs and themes which discuss how to understand the individual or the human existence. This topic is reflected in the cultural context of Lorca's age, demonstrating that the atmosphere of the era corresponded with the author's personal perspective. The interpretation of human existence is strongly determined by the moment of death, therefore, the representation of death in the works and the related motifs are discussed in the thesis. At the same time, the similarity of Lorca's perspective with the philosophical ideas of the era is taken into consideration, with the emphasis on the philosophy of Martin Heidegger. In this context, we also focus on the author's relation to Christianity and the use of the Christian motifs in his plays and poems. In the following chapters, the motifs of mask and form are analysed. The thesis concentrates on the problem of the social mask, but also on the question of...