This is a list of sovereign states, ordered by total area (sum of all land and inland water bodies [lakes, reservoirs, rivers] delimited by international boundaries or coastlines.)
10. Malta
Is a southern European country in the Mediterranean Sea.
316 km2 (122 mi2)
9. Maldives
Is an island nation in the Indian Ocean-Arabian Sea area, consisting of a double chain of twenty-six atolls.
300 km2 (120 mi2) – Smallest country in Asia.
8. Saint Kitts and Nevis
Is a federal two-island country in the West Indies.
261 km2 (101 mi2) – Smallest country in the Americas and the Western Hemisphere.
7. Marshall Islands
Is an island country located in the northern Pacific Ocean.
181 km2 (70 mi2)
6. Liechtenstein
Is a doubly landlocked alpine country in Central Europe, bordered by Switzerland to the west and south and by Austria to the east and north.
160 km2 (62 mi2)
5. San Marino
Is an enclaved microstate surrounded by Italy, situated on the Italian Peninsula on the north-eastern side of the Apennine Mountains.
61 km2 (24 mi2)
4. Tuvalu
Is a Polynesian island nation located in the Pacific Ocean, midway between Hawaii and Australia
Photo Autor – INABA Tomoaki
26 km2 (10 mi2)
3. Nauru
Is an island country in Micronesia in the South Pacific. Its nearest neighbour is Banaba Island in Kiribati, 300 kilometres (186 mi) to the east.
21 km2 (8.1 mi2) – Smallest island country.
2. Monaco
Is a sovereign city-state, located on the French Riviera in Western Europe. It is bordered by France on three sides; one side borders the Mediterranean Sea.
2.02 km2 (0.78 mi2) – Smallest country with a coastline. Also the smallest member of the UN.
1. Vatican City
Is a landlocked sovereign city-state whose territory consists of a walled enclave within the city of Rome, Italy.
0.44 km2 (0.17 mi2) – Smallest country in the world.
Source – Wikipedia