It could be stated that there are two settings in the story. On the one hand, Athens which is first introduced and then the forest. It seems that both locations are relevant because they help to portray the relationship between reality and fantasy or dream. In these setting , there might be also reflected the motifs of the play which show conflicts and magic.
The Chorus Leader's speech is an example of Foreshadowing
foreshadowing - be a warning or indication of (a future event).
