@Kira32
I would imagine it is harder to bring one into Spain because the surrounding countries have stricter rules about them. Unlike here where our neighbors to the south love their guns and proudly openly carry them in SOME states.
Also, I wouldn't suggest putting this in your book. It may alarm some guests just reading the word "gun". There are hundreds of common sense expectations people should intuitively live by however common sense is not so common. I don't agree that every possible expectation should be in a house book. Otherwise, it will just be a several page book that will overwhelm and put a negative tone in guests minds.