Shake Shack Central City is a burger restaurant in Central City near Express Bus Terminal Station in Gangnam, Seoul. It serves the ShackBurger with a thick beef patty and a soft bun, along with crinkle-cut fries and a milkshake or root beer. Orders can be placed at a kiosk or with staff, but removing sauces or changing vegetables requires speaking to staff. The store is crowded during meal times.