Two adults, one older teen. We love a nice stroll but we're not hikers or skiers. Cycling on the flat would be fine.
Typically our holidays involve looking at stuff like castles, going to restaurants, pottering round interesting towns, and relaxing in a villa. We've had a couple of holidays in the south of mainland Europe that have been blisteringly hot, so we're aiming a bit further north.
I'd love recommendations of places where we wouldn't need a car. I'm also up for a trip in two places, with an interesting train journey between the two.
Any ideas?