Seoyang(official name:State Capital District of Seoyang) is the capital and Largest city in the State Haijan. With the population of 11,115,998, it is one of the largest cities in the world. It is one of the world leaders in finance, science, and technology. It has a GDP of
S 12.55 billion(US$25.1 billion). It is also known as a global city.
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