Casinos are popular in many countries around the world, with some regions having a particularly strong culture of gambling and gaming entertainment. Here are some countries where casinos are popular:

1. United States: The United States is home to some of the world’s most famous gambling destinations, including Las Vegas in Nevada and Atlantic City in New Jersey. Many states have legalized casino gambling, leading to a proliferation of casinos across the country.
2. Macau (China SAR): Often referred to as the “Gambling capital of the world,” Macau surpasses Las Vegas in terms of gambling revenue. It’s a Special Administrative Region of China with a thriving casino industry that attracts millions of visitors annually, particularly from mainland China.
3. Singapore: Singapore has emerged as a major gambling destination in Asia, with two integrated resorts, Marina Bay Sands and Resorts World Sentosa, offering a wide range of casino games, entertainment, and luxury accommodations.
4. Australia: Australia has a strong gambling culture, with casinos located in major cities such as Sydney, Melbourne, Brisbane, and Perth. The country is also known for its popular electronic gaming machines, known locally as “pokies.”
5. United Kingdom: The United Kingdom has a well-established gambling industry, with numerous casinos located across the country. London, in particular, is home to several prestigious casinos known for their elegance and sophistication.
6. Canada: Canada has a growing casino industry, with casinos located in various provinces and territories. Niagara Falls, Ontario, and Vancouver, British Columbia, are among the popular gambling destinations in the country.
7. South Africa: South Africa has a thriving casino industry, with popular destinations such as Sun City in the North West Province and the resort town of Durban. Casino gambling is legal and regulated in South Africa, attracting both domestic and international visitors.
8. Monaco: Monaco is renowned for its glamorous casinos, including the iconic Casino de Monte-Carlo. The principality has a long history of casino gambling and attracts high-rollers and luxury travelers from around the world.
9. Philippines: The Philippines has emerged as a major gambling hub in Southeast Asia, with several integrated resorts and casinos located in Manila’s Entertainment City. The country’s casino industry caters to both domestic and international visitors.
10. Puerto Rico: Puerto Rico has a vibrant casino scene, with numerous casinos located in hotels and resorts across the island. San Juan, the capital city, is particularly popular among tourists for its casinos and nightlife.

These are just a few examples of countries where casinos are popular, but casino gambling exists in many other parts of the world as well, catering to diverse preferences and demographics.