There is very literally documentation all over the place regarding this. I also provided links to major tourism travel agencies in Europe regarding this.

Please, if you're going to comment, at least read the entire article. I've also been to Spain. Not that it matters.

Here's further reading material to educate yourself. Should you decide to actually read it.

https://www.dailymail.co.uk/travel/article-13924089/spain-holiday-warning-bank-details-hotels.html