Bhutan is one of the least known countries in the world, which is not as popular as other countries in Asia. However, the precious relics, unique culture and unmatched beauty of Bhutan are attractive enough. What are the top cities in Bhutan? Generally speaking, Thimphu, Paro and Punakha are the most famous cities in Bhutan. Thimphu, the capital of Bhutan, is the largest city in Bhutan. It is also the political, religious and cultural center of Bhutan. The natural landscapes and cultural relics in Thimphu will impress you a lot. Paro, the second largest city in Bhutan, has the only airport in the country. Punakha used to be the old capital of Bhutan, owns the famous Punakha Dzong, which is the second biggest castle in Bhutan. Don't hesitate to put Bhutan on your list, the splendid culture and beautiful sceneries won't let you down.