Where the window?
It's above the bed.
Where the chair?
It's in front of the desk.
Where's the sink?
It's opposite the bath. / It's below the mirror.
Where are the chairs?
They're under the table.
Where's the fridge?
It's under the table.
Where is the painting ?
It's above the bed / on the wall.
Where is the plant?
It's next to the bedside table.