The term Gambling Mecca, with 'the' in front of it, can be found in the crossword solutions STRIP, which is a five letter word. STRIP refers to the Las Vegas STRIP, which is a 4.2 mile stretch of Las Vegas Boulevard South in Nevada. It is known for its concentration of casinos and resort hotels, making it one of the most popular destinations for gambling in the world. The Las Vegas STRIP is often referred to as the Gambling Mecca, due to its large number of casinos and resorts.