- / The fragmentary Euripides’ tragedy Aegeus is the subject of this work. For methodological reasons it is dividet in two parts. The content of the 1st part is the examination of the Aegeus’ myth. In particular there are stydied the following themes: the Aegeus’ and Theseus’ myth before Eyripides and the mythological background, the myth in Euripides and his relation to the tradition, the myth in attic drama and latine literature. The date, the plot reconstruction, dramatis personae, the possible main and other themes are examined too. There is also referrens in matters of dramatic technic and structure such as prologue, divine interventions, messenger speech and recognition.The 2nd part includes the commentary of the extant 13 fragments of the tragedy according to R. Kannicht’ numbering.