Oakland City (United States of America)
Sister city relationship: October 13, 1962
Location: Alameda County, California
Area: 146 square km
Population: about 420,000
Major industries: Commerce, distribution
Official website: Oakland City (English)

Guangzhou City (People’s Republic of China)
Friendship city relationship: May 2, 1979
Location: Capital of Guangdong Province (Haizhu District)
Area: 7,434 square km
Population: about 7.61 million
Major industries: Finance, trade & commerce, distribution, shipbuilding, automobiles, petrochemicals
Official website: Guangzhou City (Chinese)

Bordeaux City (French Republic)
Sister city relationship: November 8, 1982
Location: Aquitaine, Gironde
Area: 50 square km
Population: about 240,000
Major industries: Service, wine & spirits, information & communications, commerce, aerospace, chemicals
Official websites: Bordeaux City (English)

Auckland City (New Zealand)
Sister city relationship: June 24, 1986
Location: North Island, New Zealand
Area: 637 square km
Population: about 420,000
Major industries: Real estate, commerce, tourism, construction, education
Official website: Auckland City (English)

Ipoh City (Malaysia)
Sister city relationship: March 21, 1989
Location: Capital of Perak State
Area: 643 square km
Population: about 640,000
Major industries: Commerce, construction, tourism (long stays), finance, service
Official website: Ipoh City (Malay)

Busan Metropolitan City (Republic of Korea)
Administrative exchange city relationship: October 24, 1989
Sister city relationship: February 2, 2007
Location: Southeast tip of Korean peninsula
Area: 765 square km
Population: about 3.61 million
Major industries: Machinery, automotive, port & harbor distribution, shipbuilding, marine products, tourism
Official websites: Busan Metropolitan City (Korean)

Atlanta City (United States of America)
Partnership city relationship: July 20, 1993
Sister city relationship: February 8, 2005
Location: State capital, Georgia State
Area: 342 square km
Population: about 480,000
Major industries: Finance, commerce, mass media, transportation, conventions, medicine, biotechnology
Official website: Atlanta City (English)