The title character of this work goes to see a stranger at the altar of Pos
The title character of this work goes to see a stranger at the altar of Poseidon, who turns out to be his son.  Although the son desires the blessing of his father, he receives a curse instead.  As the land where the title character dies is prophesied to be blessed, Creon kidnaps his daughters, attempting to thereby create fortune in his Thebes, but Theseus intervenes and the title character dies in a suburb of Athens. For 10 points name this last tragedy written by Sophocles.
The title character of this work goes to see a stranger at the altar of Poseidon, who turns out to be his son.  
Oedipus at Colonus or Oidipous epi Kolono