China.

UC Browser is a software developed by UC Mobile Limited in August 2004, divided into UC mobile browser and UC browser computer version. UC Browser is the world's mainstream third-party mobile browser. As of 2016, UC Browser's monthly active users exceeded 400 million, and quarterly active users exceeded 600 million.

UC Browser is the core product of Alibaba's mobile business unit. According to data released by StatCounter, a world-renowned network traffic monitoring agency, UC Browser has occupied 17.42% of the global market share (monthly PV share of mobile browsers), surpassing Apple Safari to become the world's second largest browser.

UC was founded by He Xiaopeng and Liang Jie in Guangzhou in 2004, and merged into Alibaba in June 2014, becoming the core part of Alibaba's mobile business group, and the headquarters of the business group was located in Guangzhou.

In 2015, UC Headlines was released, marking the beginning of a new wave of third-generation browsers for UC Browser. From information entry tools to content distribution platforms, accurate recommendations are made based on big data, allowing information to be more accurately connected to people, integrating information flow interactive experience, and providing users with a personalized reading experience.