"Voisins du zéro" refers to a specific betting area in European roulette that covers a group of numbers located near zero on the roulette wheel. The term translates to "neighbors of zero." This bet encompasses 17 numbers, from 22 to 25, which are positioned close to the green zero on the wheel. To place a "voisins du zéro" bet, players typically wager a combination of chips that cover the entire section of these numbers, including split and corner bets.