Regarding Scandinavia: Never came across any Italians, French or Greek ponies here in Norway... We had only the UK releases and some of the German ponies as well. But I have never come across a single Italian pony on any of our flea markets here... UK and Germans - yes, they are here, but nothing else. Which makes sense when it comes to import of toys to Norway. Most of the toys in the 80's came either from UK or the US. I don't think I can remember a single toy line with toys from Southern Europe (but of course, I don't know that - there might have been several!)
Maybe it's different in Sweden and Denmark, but I don't think so...?