The Casaville Samsung Hotel in Seoul is located on Deachi dong in the Gangnum-go area of the city. The location of Casaville Samsung Hotel in Seoul can be easily identified due to the presence of several important buildings and landmarks that are located close by. The COEX center is situated right next to the hotel. It's a 5 minutes walking distance from the hotel. The Korea World Trade Center is also not very far from the hotel.