Jaesong Usin Golden Bill Apartment is a residential complex near the Centum area in Jaesong-dong, Busan. A hospital, bank, and district office are within a one-minute walk, with schools, private academies, restaurants, and food outlets nearby. The complex sits halfway up a mountain, with easy access to the city’s busy commercial areas, and is relatively old. The alleys are narrow, and a car is needed to buy large quantities at department stores or hypermarkets.