Bing found the following results
Busan - Wikipedia
About Busan > Busan at a Glance > Autonomous Districts
Administrative divisions of South Korea - Wikipedia
Busanjin District - Wikipedia
About Busan > Busan at a Glance > Role & History - 부산광역시
Pusan - New World Encyclopedia
Administrative Map of South Korea - Nations Online Project
Busanjin District | Detailed Pedia
City Government > Organization > City Organization - 부산광역시
A Comprehensive Guide to South Korea's Administrative Divisions