1. Which city is the world's least populous national capital of a sovereign state?

2. How many months are in the traditional Ethiopian calendar?

3. Why was the capital of Guatemala moved to its current location in Guatemala City in 1776?

4. What is the name of the buffer zone that divides the city of Nicosia?

5. What is the name of the historic district in Hanoi known for its 36 streets named after specific trades?

6. Singapore is one of the three remaining modern city-states; which of these is another?

7. What was the capital of Myanmar before it was moved to Naypyidaw in 2005?

8. What is the name of the mandatory community service day in Rwanda that contributes to Kigali's cleanliness?

9. Why is Warsaw often referred to as the 'Phoenix City'?

10. Which city is officially known as the 'City of Spas' due to its high number of natural thermal springs?

11. What was the original Roman name for the city of London?

12. Which famous scientist developed the Theory of Relativity while living and working in Bern?

13. Liechtenstein is one of only two countries in the world with what landlocked status?

14. Which country entirely surrounds the kingdom of Lesotho?

15. Which of South Africa's three capitals serves as the seat of the national Parliament?

16. What does the name of Ethiopia's capital, Addis Ababa, mean in the Amharic language?

17. How many 'Captains Regent' serve as joint heads of state in San Marino at any given time?

18. The National Assembly building in Belmopan is designed to resemble which ancient structure?

19. By what ancient Greek name was the city of Amman known during the Hellenistic period?

20. Afghanistan is the world's primary source for which deep-blue semi-precious stone?