From my experience obvs. Before SATW, Polandball, and all of that, I knew Scandinavia like this: Denmark had legos, Sweden had IKEA and Notch (+Minecraft in general), and Norway had Tord Eddsworld
Icelandic place names may sound exotic, but they're usually not very creative. Example: The most powerful waterfall in Europe, Dettifoss, just means "falling falls"