What is the altitudinal variation of the Marginal Himalayas (Simanta Himali region)?

How many districts are there in the Terai region?

Which is the smallest metropolitan city in terms of population?

What percentage of the total land area of Nepal is occupied by the Midland (Madhyabhoomi)?

What is the geographical extent of the Chure range across South Asia?

Which districts are collectively known as Upper Sagarmatha?

What is the border line between Nepal and India called?

Which regions does Nepal share its borders with in the North, and in the East, West, and South respectively?