Anand Shotiwoth: Make sure you look at your tax refund receipts color - if blue, queue at Blue counter (Global Blue). if orange, queue at orange (Global TaxFree)
Kristine Calpe: This hostel is conveniently located in downtown Seoul. It is just a walking distance to almost everywhere (euljiro 1, city hall, jonggak MRT). Also near the Myeongdong shopping district! Worth every $