the is used with West, North, East, South

• Many firms in the west of Germany are opening branches in the east.

• People in the north of Senegal usually wear long, loose robes.

the is not used with the adjectives western, northern, eastern, southern

• Many firms in western Germany are opening branches in the east.

• People in northern Senegal usually wear long, loose robes.

• Italy is in southern Europe, but Norway is in the north.

the is not used with single mountain or island names, but the is used with plural islands and mountains

• Mount Everest, Mount Etna, Sicily, Gökçeada

• The Canaries, The Canry Islands, The British Isles, The Bahamas,

• The Alps, The Andes, The Rocky Mountains