in the middle of nowhere = in a very remote place
I don’t want to spend summer in the middle of nowhere.
to go off the beaten track/path = in a place where few people go, far from any main roads and towns
If you want to see something different, you have to get off the beaten path.
out in the sticks = in a rural, undeveloped area
They live somewhere in the sticks, so they can’t be rich.
in a rural backwater – in a quiet place not influenced by the world
If you are searching for peace, tranquility and wish to unwind in a rural backwater, this is a place to visit.
in the back of beyond = far away from big towns
They live in some village in the back of beyond.