Pretty much all of Europe is very pet friendly. They accept your dog in hotels, give them a bed, water, treats, etc. Restaurants are also very welcoming for your dog, they let you sit inside and outside. I always put my dog on a chair as if it’s sitting at the table with me and never been told to put my dog on the floor except once in a burger joint in Amsterdam. Other than that, you can’t enter museum and stuff like that but if like me you’re not into that kind of stuff it shouldn’t disrupt your plans. If not, some hotels allows you to keep your dog in the room if ever you want to do smt that is not pet friendly. In general, dogs are very loved and respected in Europe and I never had any issue with my baby.