141 Yanghwa-ro, Mapo-guSeoul, South Korea Phone: +82 2-2289-1000Fax: +82 2-2289-1004Toll Free: +800-22-LOTTE Hotel Website Classification 7 Superior First Class Commission Rooms Rates - 340 - Hoteliers! Is your information accurate? Update Here Lotte Hotel L7 Hongdae Location & Neighborhood 1 hr from Incheon Intl airport.