Here are some examples of countries where gambling is either illegal or heavily restricted:
United Arab Emirates: Gambling is strictly forbidden in the UAE, with no land-based or online casinos permitted.
Brunei: All forms of gambling are illegal in Brunei, with harsh penalties for both operators and players.
North Korea: Gambling is illegal in North Korea, with no land-based or online casinos permitted.
Cambodia: While gambling is legal for tourists in Cambodia, the country has recently cracked down on illegal online gambling, with a ban on online casinos and the revocation of several licenses.
Japan: Most forms of gambling are illegal in Japan, with the exception of betting on certain sports and a few government-run lotteries.
Qatar: Gambling is strictly forbidden in Qatar, with no land-based or online casinos permitted.
Saudi Arabia: All forms of gambling are illegal in Saudi Arabia, with harsh penalties for both operators and players.