Thailand is a country in Southeast Asia whose predominant religion is Theravada Buddhism. Thai culture has been influenced by India, China, and neighboring countries. The capital and largest city is Bangkok, which serves as the political, commercial, and cultural hub. Thai cuisine prominently features rice and the five fundamental tastes of sweet, sour, salty, bitter and spicy. Non-verbal communication is especially important in Thai culture, with gestures and physical contact governed by strict rules around respect and hierarchy.