Cartography is the study of maps, including their creation, use, and interpretation.

Gerardus Mercator was a Flemish cartographer who is credited with developing the Mercator projection, which is still used today in navigation and mapping.

The Babylonian Map of the World is a clay tablet that dates back to the 6th century BC. It shows the world as a circular disk surrounded by a wall of mountains.

Russia is the largest country in the world, with an area of over 17 million square kilometers.

Vatican City is the smallest country in the world, with an area of just 0.44 square kilometers.

China is the most populous country in the world, with a population of over 1.4 billion people.

Vatican City is the least populous country in the world, with a population of just over 800 people.

New Delhi is the capital of India.

Mumbai is the largest city in India.

Goa is the smallest state in India.

Rajasthan is the largest state in India.

Uttar Pradesh is the most populous state in India.

Sikkim is the least populous state in India.

Hindi is the main language spoken in India.

Rupee is the official currency of India.