Dzong architecture (from Tibetan རྫོང་, WylierDzong, sometimes written Jong) is a distinctive type of fortress architecture found in the present and former Buddhist kingdoms of the Himalayas: Bhutan and Tibet. The architecture is massive in style with towering exterior walls surrounding a complex of courtyards, temples, administrative offices, and monks' accommodation.
Bhutan existed as a patchwork of minor warring fiefdoms until the early 17th century, when the lama and military leader ShabdrungNgawang Namgyal, fleeing religious persecution in Tibet, unified the area and cultivated a distinct Bhutanese identity. Later, in the early 20th century, Bhutan came into contact with the British Empire and retained strong bilateral relations with India upon its independence. In 2006, based on a global survey, Business Week rated Bhutan the happiest country in Asia and the eighth-happiest in the world.