In Europe the signs are set up to direct you to the central train station .. where you'll find a tourist office .. and maps .. and staff who may help with what ever you want. Parking can be difficult .. look for a cop and sign language for parking/help.

But I like my GPS..

it finds things that I ride right past .. several times! A hotel in a back ally but with the address in the main street... ok if your walking but with traffic on the bike?

it takes me to places I'd never go to .. through routing choices... mine has;

avoid toll roads (tick)
avoid u turns (tick)
avoid highways (sometimes ticked - if I'm in a no hurry adventure mood)

a slider bar - one end 'prefer minor roads' other end 'prefer highways' (generally in the middle)

A choice as to route either
'Shortest route' (interesting back roads can be shorter than the highway .. by a meter or two!)
or
'Fastest Route" (can lead to motorways and traffic jams )

As you can see the number of choices you make for your routing method will have an impact on the route it shows you ... if you know the way then you might be surprised at its choices.. change the settings and see what it does then.. I've actually found better routes than the ones I've been using for years locally!

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They are a fun toy. If the map is accurate I've used it in fog to tell me what is coming - 90 deg corner left etc. When in traffic I ignore it .. and miss the turns .. it will recalculate and give me another route. I'd not be without it. The trick is to get good maps. If you use OSM then looking at a satellite view and check that OSM has details for the places you are heading. If not add the detail to OSM .. then you and everyone else has that detail for your GPS.