Browsec hides your IP, but some websites and apps can use the location data no VPN can fake: GPS, WiFi hotspots, mobile providers etc. They get this data from your device if allowed. But you can stop this at once.
Stop any website from accessing location
Tap the lock near the site address, tap Permissions, turn Location off:
Tap three lines for menu, tap Settings --> Sites and downloads --> Site Permissions --> Location, find the site and turn it off: