It could be combined with [this](http://upload.wikimedia.org/wikipedia/commons/c/c0/Rheinbund_1812.png
) for the Rhine Confederation, and [this](http://upload.wikimedia.org/wikipedia/commons/e/e7/Prussiamap.gif
) for Prussia. [This](http://upload.wikimedia.org/wikipedia/commons/5/5a/Provinces_of_Spain.svg
) one for Spain (ignoring a few provinces in the north-east), [this](http://upload.wikimedia.org/wikipedia/commons/b/bf/Italia_Regno_di_Napoli_locator.svg
) one for Naples (you can look up the names on current Italy maps). I don't know how far you want it to stretch out, but these maps could help. You just have to manually combine them.