real name of any 4 countries

Below are the Sur Names of some countries. Tell the real name of any 4 countries

1) Pearl of Africa
2) Tear of India
3) Roof of the World
4) Garbage of Europe
5) Sick man of Europe
6) Key to Mediterranean
7) Playground of Europe

Answer

1) Pearl of Africa
Uganda
2) Tear of India
Sri Lanka
3) Roof of the World
Tibet (Pamir)
4) Garbage of Europe
Greece (Yonan)
5) Sick man of Europe
Turkey
6) Key to Mediterranean
Gibraltar
7) Playground of Europe
Switzerland