Of course your phone is tracking you, how else do you think google maps knows to show you all the local Irish pubs on your overnights.
Ya, I think it's safe to assume that you can be tracked pretty much anywhere with your phone/other electronic devices (cameras in cities). Also, your phone microphone and Alexa are eavesdropping machines. Someone could very well be watching you via your computers camera right now. How does google maps know the status of the traffic, everywhere at all times? It's amazing to me that there are still people out there that seem shocked when they find out that data is being collected off their phones every day.
If you're an iPhone user go to settings - privacy - locations services - system services - frequent locations.