Afghan`istan` (5,000), a country in the centre of Asia, between India on the east and Persia on the west, its length about 600 m. and its breadth about 500 m., a plateau of immense mountain masses, and high, almost inaccessible, valleys, occupying 278,000 sq. m., with extremes of climate, and a mixed turbulent population, majority Afghans. The country, though long a bone of contention between England and Russia, is now wholly under the sphere of British influence.