E111, Travel Ins, Passport, Currency, Train Tickets, hotel booking. Bank Cards.
Socks, Pants, Trousers, Shirt (s), Jumper, Mac. Optional: Shorts, Trunks (Boxer type for private pool, speedos for Municipal pools), Night wear (?) Hat.
Shoes, Flip Flops (good for dodgy showers)
Wash bag including bug stuff.
Medication - List of all that you are on with doses. Doctors Letter with diagnoses on.
Talc.

Food and Bottle of Water.
Books, Map, Itinerary.