Question: Which casino located southeast of mainland china is billed as the largest casino in the world?

<P0-S0> The Venetian Macao () is a luxury hotel and casino resort in Macau owned by the American Las Vegas Sands company. <P0-S1>  The Venetian is a 39-story, casino hotel on the Cotai Strip in Macau. <P0-S2>  The 10500000 sqft Venetian Macao is modeled on its sister casino resort The Venetian Las Vegas, and is the seventh-largest building in the world by floor area. <P0-S3>  The Venetian Macao is also the largest casino in the world, and the largest single structure hotel building in Asia. <SEP> <P1-S0> Macau is a special administrative district (SAR) located to the southeast of mainland China. <P1-S1>  Since Macau is using the “one country two systems” principle just like Hong Kong, acting as a special region of China, therefore it gained many benefits from the principle. <P1-S2>  The population in Macau is approximately 582,000. <P1-S3>  Tourism is a major industry in Macau. <P1-S4>  It is famous for the blend of Portuguese and Chinese cultures and its gambling industry, which includes Casino Lisboa, Macau, Sands Macau, The Venetian Macao, and Wynn Macau. <P1-S5>  There are many choices of hotels and resorts since it is one of the world class tourism industry in Asia. <SEP> <P2-S0> WinStar World Casino and Resort is a hotel and casino located near the Oklahoma–Texas state line, 1 mi north of the Red River, at Exit 1 off Interstate 35 and Winstar Boulevard in Thackerville, Oklahoma. <P2-S1>  The casino opened as the WinStar Casino in 2004, and was expanded (with a 395-room hotel tower) and renamed the WinStar World Casino in 2009, with its 519000 sqft of casino floor making it the largest casino in the state of Oklahoma. <P2-S2>  In August 2013, WinStar Resorts completed a major expansion project, which added a new 1000-room second hotel tower that was divided into two phases; this also added a new casino that is attached to the tower. <P2-S3>  As a result of the completion of this expansion, the casino overtook Foxwoods Resort Casino to become the largest casino in the United States based on gaming floor space. <P2-S4>  WinStar has over 7,400 electronic games, 46 table poker rooms, 99 total table games, Racer's off-track betting, High Limit Room, keno, and bingo. <SEP> <P3-S0> The "Bamboo network" or the "Chinese Commonwealth" is a term used to conceptualize connections between businesses operated by the Overseas Chinese community in Southeast Asia. <P3-S1>  It links the Overseas Chinese business community of Southeast Asia, namely Myanmar, Malaysia, Indonesia, Thailand, Vietnam, the Philippines, and Singapore with the economies of Greater China (Mainland China, Hong Kong, Macau, and Taiwan). <P3-S2>  Ethnic Chinese play an important economic role in Southeast Asia, since they dominate commerce and the business sector and form the economic elite across all the major Southeast Asian countries. <P3-S3>  Overseas Chinese have dominated much of the economy in Thailand, Malaysia, the Philippines, Cambodia and Indonesia since the 19th century and today exert a powerful economic influence throughout the region. <P3-S4>  Since the turn of the 21st century, postcolonial Southeast Asia has now become an important pillar of the international Overseas Chinese economy as the bamboo network represents an important symbol manifesting itself as an extended international economic outpost of Mainland China. <P3-S5>  Overseas Chinese wield tremendous economic clout over their indigenous Southeast Asian majority counterparts and play a critical role in maintaining the regions aggregate economic vitality and prosperity.