Top 10 Casino cities of the world:
1. Las Vegas - Nevada - U.S.A.
122 casinos
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2. Miami - Florida - U.S.A.
74 casinos
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3. Moscow - Russia
54 casinos
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4. Tallinn - Estonia
40 casinos
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5. Macau - China
31 casinos
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6. Deadwood - South Dakota - U.S.A.
29 casinos
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7. St. Petersburg - Russia
28 casinos
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8. Henderson - Nevada - U.S.A.
26 casinos
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9. Riga - Latvia
26 casinos
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10. London - England - U.K.
24 casinos