The word "Saudi" refers to something or someone related to Saudi Arabia, a country located in the Middle East. It can be used to describe anything associated with the culture, traditions, people, or government of Saudi Arabia.
Kadir also advised franchise owners in Saudi Arabia of a global restaurant chain on an acquisition finance matter. (asialaw.com)
This is not merely disingenuous, but bordering on the pathetic: you do not describe as a «so - called Islamic State» the governments of Saudi Arabia of Iran. (labour-uncut.co.uk)