While Shanghai was the largest metro region in China in 2017 with about 34 million residents, which of these other metro regions in China with a reported population was the largest in 2017?

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The Answer of While Shanghai was the largest metro region in China in 2017 with about 34 million residents, which of these other metro regions in China with a reported population was the largest in 2017?

While Shanghai Was the Largest Metro Region in China in 2017