Hey @TeamYouTube, why do I have a video from a channel I'm not subscribed to and never heard of in my subscription feed?pic.twitter.com/r6ghWhL5yZ
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Since it's no more there on your subs feed, you can try uninstalling and reinstalling the app if you get to experience this issue again. Let us know if you've got any other questions.