16? Times I think. I live in Europe though.
Uh if you count countries within the UK, more in early childhood but I can't keep track of that.
(also only counting trips not like passing through multiple countries in a single day which is again possible in Europe.)
I've been to France the most, Germany once as an actual trip, and The Netherlands and Belgium multiple times. Not sure how many. I also forget/don't remember the names of most of the places I've been to beyond the region/country due to them generally being small but I have been to Brussels once, Berlin once and Bruges twice, Bayeux, which are more culturally significant. So I went to Brussels in 2015 and there were armed guards around many places.
This also happened a few months after I was there:
Also many of the police ride around on segways haha. Like this: