Originally Posted by
onobond
OK, what is the answer to OP? To me it seems that there's an inverted relation between the ability to use Chipless cards everwhere in
Europe and the distance from own location to that continent. OP did actually not ask for access in capitals of any country. Each to their own taste, of course. My advice to any traveller is to aquire at least one card with chip/PIN, and you'll be safe (or bring cash)

Not sure it has been nicely summed up, but I think the answer to the OP that I am reading across posts is: You will generally be ok with a mag swipe card, but carry some cash in case, and possibly ask if non-chip cards are accepted before starting a large purchase.