Chamshill Yongsusan is located in Seoul. YongSuSan is an excellent venue for first meetings with foreign buyers and important business partners, consultations, discussions on contracts, birthday parties, Banquets etc. The Royal Cuisine of Korean Culture. Yongsusan enables you to savour the rich taste, as it was in the Kaesong fare of the ancient Koryo Dynasty, the golden era of Korean Cuisine. We serve you with special consideration to delight all your senses.