Yongsan Mart

Yongsan Electronics Market is a retail area in Seoul, South Korea. Comprising over 20 buildings, housing 5,000 stores that sell appliances, stereos, computers and peripherals, office equipment, telephones, lighting equipment, electronic games and software, videos and CD's. A variety of electronic components for constructing computers and other items can also be found. Korean-made products generally cost 20% less here than other retail outlets, while imported items can be as much as 50% cheaper.

The market has a variety of stores, each with different operating procedures. Some stores operate like traditional retail shops, with set prices, name brands, and warranties. Other shops accept, or even expect, customers to bargain and may not have any posted prices for items.

Source: Wikipedia