South Korea Tianan is not poor. Tianan city has high consumption. Tianan is a city in South Korea, and its consumption level is comparable to other cities in South Korea. However, the consumption level in Korea is relatively high, especially in big cities, such as Seoul and Busan, where consumption is more expensive. Generally speaking, the consumption of food, hotel accommodation and shopping in Korea is relatively high. According to the consumption level, South Korea's Tianan is not bad.