In the Muslim United Arab Emirates, swearing could get you fined, jailed or deported. Under Article 373 of the UAE Penal Code, "swearing disgraces the honour or the modesty of a person."
This isn't just for saying the inappropriate words aloud. It includes indecent physical gestures and extends to your text messages and social media, as well. Not even indecent emojis are allowed.
Earlier this year, the British Express reported a man sent an angry message to a car dealer who seemingly did him wrong. He was threatened with three weeks in jail for his choice of words.
If you have a potty mouth, be sure it's in check before you visit!