Qatar

A 10–15% service charge is often already added to restaurant bills, but it usually goes to the establishment rather than staff, so leaving an extra 5–10% in cash directly to your server is appreciated, and it's customary to do so discreetly rather than making a show of it. For taxis, round up the fare or add roughly 5–10 QAR, and small cash tips (5–20 QAR) are welcome for hotel porters, housekeepi

• Dress modestly in public, especially away from hotel pools/beaches — cover shoulders and knees; avoid low-cut or very short clothing.
• Public displays of affection beyond simple hand-holding (kissing, hugging) are frowned upon and can draw unwanted attention.
• Alcohol is only served in licensed hotel bars/restaurants, not standalone venues; drinking or being visibly intoxicated in public spaces is not permitted.
• Pork is not served outside a few hotel outlets and most food is halal, so ask before ordering if unsure.
• During Ramadan, avoid eating, drinking, or smoking in public during daylight hours out of respect for those fasting.
• Always ask permission before photographing local people (especially women) or government/military buildings, as this is considered impolite or restricted.