김치국 is a traditional Korean soup made primarily from 김치, which is fermented cabbage seasoned with various spices. The soup often includes ingredients like tofu, pork, or seafood, and is typically served hot. It is known for its spicy and tangy flavor, making it a popular comfort food in Korea. This dish is commonly enjoyed with rice and can be found in many Korean households and restaurants. 김치국 is not only a staple in Korean cuisine but also reflects the importance of 김치 in Korean culture, symbolizing the country's rich culinary heritage.