[wildthing]

Your machine is telling the browser where it is and the browser is sending the location to the site. Check your permissions/privacy settings on both the machine and the browser, and then the website settings.

Mac: https://support.apple.com/guide/mac-help/allow-apps-to-detect-the-location-of-your-mac-mh35873/mac
https://www.macrumors.com/how-to/stop-websites-asking-location-safari/
https://www.macworld.com/article/673549/how-to-stop-safari-asking-for-your-location.html