Eastern Europe and the Baltics join the Schengen agreements Nine new countries will soon join the Schengen agreement. From December 21, European countries such as Hungary, Latvia, Lithuania, Poland, Slovakia, Slovenia, the Czech Republic, Estonia and Malta will abolish border controls within the Schengen zone. In November 2008, as it became known recently, the list will also be replenished with Switzerland. Currently, the Schengen area is formed by 15 states.