Youtube – How does YouTube detect the country of its users

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Does YouTube detect the country of its users (video viewers and people who have liked a video) by their IP address or by details they have given (country information they have given when signing up to Gmail or a YouTube channel)?

Best Answer

Country is determined by the location of the network connection used to connect to YouTube, most likely by IP.

My Google account is registered and set to the UK, but I'm often in the Netherlands. When I'm in Holland I get a little "NL" next to the YouTube logo, and when I VPN into my office in London it changes to a "GB".

YouTube Country logo