Which one of the following countries is the largest country without borders in terms of geographical area?

Explanation

A country whose land is not connected to the land of any other country is called an island country. Such a country is surrounded by the sea on all sides. Among the given options, Japan is the largest island country by geographical area, covering approximately 377,975 square kilometres. It is followed by the Philippines (300,000 sq. km.), New Zealand (268,838 sq. km.), and Cuba (1,10,860 sq. km.).