The whole area is simply called "backstage." The sides, to be specific, are called the "wings."
They are known as Wings. Left Wings. Right Wings.
thrust
THRUST STAGEIn theatre, a thrust stage (also known as a platform stage or open stage) is one that extends into the audience on three sides and is connected to the backstage area by its upstage end.Many of the works of Shakespeare were first performed on the thrust stage of the Globe Theatre and lend themselves to such a stage design in modern times as well.
The areas to the sides of a stage (that the audience cannot see) are called the wings.
a stage with stairs on the sides
They are known as Wings. Left Wings. Right Wings.
A thrust stage.
thrust
THRUST STAGEIn theatre, a thrust stage (also known as a platform stage or open stage) is one that extends into the audience on three sides and is connected to the backstage area by its upstage end.Many of the works of Shakespeare were first performed on the thrust stage of the Globe Theatre and lend themselves to such a stage design in modern times as well.
An open stage, commonly used in many performances of Shakespeare's works, is a stage that extends into the audience on three sides and the final side is connected to the backstage area.
Stage Left, and Stage Right.
The areas to the sides of a stage (that the audience cannot see) are called the wings.
a stage with stairs on the sides
in front of the place where those maids on the sides are which is behind the building(prize place) behind the battle tower.
It's when the playing area is rectangular and the audience sits on the two long sides of the rectange.
A Thrust Stage
On the sides