It should be noted that since 2009 gambling in Russia is allowed only within the boundaries of special zones. A gambling zone in Russia is a special territory intended for gambling. 

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Azov-City

The site of one of the casinos: http://www.oracul-casino.com/ 
If you go to "Azov-City" by train, the most convenient is to arrive in  Rostov-on-Don. From Moscow to Rostov the travel time will from 18 to 28 hours. There are also 6 trains from St. Petersburg . The journey time is from 29 to 38 hours, depending on the train.

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You can reach the gambling zone  by taxi or free buses:

Gorki-Gorod is 60 km from Adler and 100 km from Sochi.  The way from Moscow to Adler by train takes a day and a half. Two fast  trains will drive just a day. The route from St. Petersburg to Adler will take from one and a half to two days. 

"Siberian coin"

The site of the casino "Altai Palace": http://www.altaipalace.ru/

The gaming zone is located in the Altai Territory, 250 km from Barnaul, near the village of Aya. Nearby is the recreation area "Turquoise Katun".  If you get to the Siberian coin by train, then it's better to arrive in Biysk.   "Moscow - Biysk" train goes its way for two and a half days. From St. Petersburg to Biysk there is no direct route. From Biysk to the gambling zone, you can take a taxi (about 130 km), or from Biysk to Gorno-Altaisk  - a public bus, and then from there by taxi (25 km). From Moscow to Gorno-Altaisk it is also possible to fly by plane, and from there by taxi to the final point of the route (the trip will cost 500 rubles).

 

The site of the casino "Tigre de Cristal": http://www.tigredecristal.ru/

The gambling zone is located 50 km from Vladivostok on the bank of the bay Muravinaya. While in the zone there is only one casino "Tigre de Cristal",   it is considered the largest in Russia. There is a five-star hotel with 120 rooms and two restaurants. From Moscow to Vladivostok your travel by train will be long – it will take 6 days. But it is an opportunity to see many regions of Russia.  From St. Petersburg to Vladivostok there are no direct flights, it will be necessary to get to Moscow first. In this case, it is better to choose an airplane - at the cost it will be the same, but much faster.

From the capital of Primorye to the gambling zone, you can take a taxi (it will cost 1000 rubles) or a regular bus from Vladivostok to the city of Artyom, and from there  -  a taxi to the gambling zone (about 10 km). From the airport to the "Primorskaya" the distance is 25 km.
 

 

The site of the casino "Magic Crystal": http://magiccrystal.ru/

The gambling zone is located near the Yantarny village  (50 km from Kaliningrad). The train from Moscow to Kaliningrad goes 20 hours, and from St. Petersburg – one  day. Unfortunately, you cannot buy an electronic ticket to Kaliningrad, the purchase is available only at the ticket offices of Russian Railways. From Kaliningrad to the game zone it is better to go by taxi.

 

 

Sources: https://www.tutu.ru