Comfortable Accommodations Olli Haus - KSPO JYP Jamsil Lotte World Subway Lines 5 & 9 Gangnam in Seoul offers family rooms with private bathrooms. Each room includes air-conditioning, a washing machine, and free WiFi. Convenient Facilities Guests benefit from free WiFi, private check-in and check-out services, a minimarket, and full-day security. Additional amenities include a refrigerator, microwave, TV, and free toiletries. Prime Location Located 22 mi from Gimpo International Airport, the hotel provides easy access to attractions such as Lotte World and Gangnam. The quiet street offers city views and a peaceful environment.