Fill in the where necessary. Justify your answers.

1 We're in ....... Malta, an island near Italy, in ....... Mediterranean sea.
2 We're spending our holidays in ....... Alps, a mountain range in ....... Europe.
3 We want to go on a boat trip down River Thames.
4 We're staying at a villa near ....... Lake Como.
5 Jane is taking photographs of ....... Mount Vesuvius.
6 ....... Browns are coming with us to ... London.​