
Vatican (Area: 0.44 square kilometre)
Also known as the country of the Pope, Vatican is the centre of the Catholic Church and home to St. Peter's Basilica. It came into existence on 11 February 1929 by the Lateran Treaty between the Holy See and Italy.

Monaco (Area: 2 square kilometre)
Situated at the French Riviera, Monaco is the world's second-smallest country with an area of around 2 square kilometres. It is considered one of the most expensive and wealthiest places in the world.

Malta (Area: 316 square kilometre)
It comprises three islands - Gozo, Comino and Malta. Experts claim that Malta is inhabited since 5900 BC.

Grenada (Area: 344 square kilometre)
Located in the Caribbean, it is also known as "The Island of Spice". It was the colony of France between 1649 to 1763. Like India, cricket is the most popular sport in Grenada.

Nauru (Area: 21 square kilometre)
Earlier known as Pleasure Island, Nauru is the world's smallest island country. It is famous for its phosphate resources.