CNN cities hold 10 of the top six spots and 10 of the top 100 . China top ranking is largely due to large tourist numbers from mainland China . Euromonitor predicts China will be the largest source of international departures by 2017 .
Asia Pacific cities hold six of the top 10 spots and 32 of the top 100 . Hong Kong 's top ranking is largely due to large tourist numbers from mainland China . Euromonitor predicts China will be the largest source of international departures by 2017 .