Over 3,000 Belgian fans are on their way to Russia to support their team in the group stages.
"Over 3,000 fans will attend the three group stage matches of the tournament," the fan federation said.
On Wednesday, the Belgian Royal Palace announced that King Philippe of Belgium would attend the national team's game against Tunisia in Moscow on 23 June.
Belgium first kick off their campaign against Panama on 18 June before facing Tunisia five days later. They will play England in their final Group G game on 28 June.