A casino is a place where people can gamble and play games of chance. They are often built near or combined with hotels, restaurants, retail shops, and other tourist attractions. Some casinos also offer sports betting and lottery-type games like bingo or race betting. In the United States, the majority of casinos are located in Las Vegas, Nevada; Atlantic City, New Jersey; and Chicago, Illinois. Other cities and regions with notable casinos include Estoril, Portugal; Corfu, Greece; and Baden-Baden and Bad Homburg von der Hohe, Germany. Many casinos have security measures in place to deter cheating and theft by both patrons and employees. They may employ a physical security force or a specialized surveillance department to patrol the floor and respond to reports of suspicious activity.

Some casinos have a reputation for being ritzy and exclusive, offering luxury amenities and entertainment to attract high rollers. Others are more family-oriented and offer a variety of dining options to appeal to different tastes and budgets. Regardless of their style, all casinos have one thing in common: they offer the thrill of gambling. Before you visit a casino, make sure you check your state laws to ensure that gambling is legal in your area and that you are of the proper age. In addition, you should be aware that some states only allow gambling in tribal casinos or online. The National Council on Problem Gambling offers help to those struggling with addiction and each state has its own support centers and hotlines.