Complex sentence: Located in Northern Europe, Scotland comprises the northern one third of the island of Great Britain as well as 790 islands encompassing the major archipelagoes of the Shetland Islands, Orkney Islands and the Inner and Outer Hebrides.
Split into simpler sentences: Located in Northern Europe, Scotland comprises the northern one third of the island of Great Britain. Aside from the mainland, Scotland is surrounded by 790 islands encompassing the major archipelagoes of the Shetland Islands, Orkney Islands and the Outer Hebrides.