Question

Which of these countries is made up entirely of islands?

Answer 1

I don't know about which countries are you asking but some are:-
1  Indonesia
2 Japan
3 Sri Lanka
4 Philippines
5 united kingdom
6 Singapore
7 New Zealand
8 Fiji
9 Maldives
10 Iceland

Answer 2

Explanation:

Sweden is the country with most islands in the world having 221,800 islands.

Here's also a list of top 7 Countries with most islands

Sweden(221,800)

Finland(188,000)

Norway(55,000)

Canada(52,455)

Indonesia(17,508)

Australia(8,222)

The Philippines(7,107)