Defending World Cup champions Spain will prepare in the United States for this year's showcase in Brazil.
Spain will be joined by Greece, Bosnia-Herzegovina, Ivory Coast, Nigeria and Honduras.
Soccer United Marketing, an affiliate of Major League Soccer, says it will organise exhibition games involving the six nations along with Bolivia and El Salvador from May 27 to June 10.
England announced last month it would play a pair of matches in Miami, facing Ecuador on June 4 and Honduras on June 7.
The World Cup, in Brazil for the first time since 1950, opens on June 12.
