Simplify the following text for a Grade 8 native English-speaking person.
Original: The North Sea is bounded by the Orkney Islands and east coasts of England and Scotland to the west and the northern and central European mainland to the east and south , including Norway , Denmark , Germany , the Netherlands , Belgium , and France .
Simplified: The North Sea is between Norway and Denmark in the east , Scotland and England in the west , Germany , the Netherlands , Belgium and France in the south .