Adamawa is a region often targeted by Boko Haram. On June 1, a suspected Boko Haram bombing killed at least 14 patrons at a bar in Adamawa who were watching a soccer game.
In Borno State, also vulnerable to Boko Haram attacks and where some 200 school girls were abducted, soccer fans were targeted in a suspected Boko Haram bombing in March that left many dead.
In Nigeria, viewing centers are, for many, the only way to watch the national team, the Super Eagles, play.
The first match of the World Cup was played on Thursday between Brazil and Croatia. Nigeria's first match will be against Iran on June 16.