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Important Countries & Capitals






๐Ÿ“Œ Topic 01 of 6 ยท Chapter 12 ยท World Political Geography

Important Countries & Capitals of the World

Largest, smallest, most populous countries, India’s neighbours โ€” complete notes for UPSC & PSC exams.

๐ŸŒ Key Country Facts

CategoryCountryKey Fact
Largest by AreaRussia17.1 million sq km; spans 11 time zones
2nd LargestCanada9.98 million sq km
3rd LargestUSA9.83 million sq km
Smallest CountryVatican City0.44 sq km; within Rome, Italy
Most PopulousIndia1.44 billion (2023); surpassed China
Largest DemocracyIndiaWorld’s largest democratic country
Most Countries BorderingChina / RussiaBoth border 14 countries
Largest LandlockedKazakhstanWorld’s largest landlocked country
Largest ArchipelagoIndonesia17,000+ islands

๐ŸŒ India’s Neighbours

CountryDirectionBorder LengthKey Facts
PakistanNorthwest~3,323 kmRadcliffe Line (1947); Wagah border crossing
ChinaNorth/Northeast~3,488 kmMcMahon Line (disputed); longest land border
NepalNorth~1,751 kmOpen border; shares UP, Bihar, WB, Sikkim, Uttarakhand
BhutanNortheast~699 kmShortest land border with India
BangladeshEast~4,156 kmLongest land border with India
MyanmarEast~1,643 kmShares Arunachal, Nagaland, Manipur, Mizoram
Sri LankaSouthSea (Palk Strait)Separated by Palk Strait; Adam’s Bridge (Ram Setu)
โญ Key Facts โ€” Countries:
โ€ข Russia = largest country by area; Vatican City = smallest
โ€ข India = most populous country (2023); surpassed China
โ€ข Bangladesh = longest land border with India (~4,156 km)
โ€ข Bhutan = shortest land border with India (~699 km)
โ€ข Sri Lanka = only sea border with India (Palk Strait)