Vatican City (0.44 sq km): Vatican City, the world’s smallest sovereign city-state, is the administrative and spiritual hub of the Roman Catholic Church, encircled by Rome. It is home to around 800 ...
Did you know the Arctic Ocean is the smallest and shallowest of the world's oceans? Covering about 14 million square kilometres (5.4 million square miles), it's roughly 1.5 times the size of the ...