High-roller bonuses are offers that casinos give to their customers when they deposit big sums of money. Such customers are called high rollers and the larger the amounts of money they deposit, the more they get rewarded. Casino providers anticipate that players with money on their accounts will play and if they lose, they'll deposit more money.
Romania is a county in the Balkans popularly known for the region of Transylvania. The folk tale of Dracula comes up whenever one visits the churches and castles there. Gambling was banned in the 1980s, but this ban was lifted in the 1990s. Residents can now freely gamble in casinos as well as online.