Spain.
Morocco
The three countries which directly border Spain are Portugal, France and Andorra. (Gibraltar is reached by causeway, and is not an independent country. Morocco is close to Spain, but not bordering it. Also, Morocco is across the Straights of Gibraltar, and lies in the northwestern corner of Africa.)
Morocco because of the selections have not reached the World Cup
Portugal never reached the north coast of the Iberian peninsula.
Twice, in 1966 and 2006.
England reached the quarterfinals but was defeated by Portugal.
Vasco Da Gama sailed from Lisbon, Portugal, on July 8, 1497, heading to East. Da Gama rounded Africa's Cape of Good Hope on November 22, and continued on to India. Gama reached Calicut, India on May 20,1498 and left India on August 29,1498. Da Gama returned to Lisbon, Portugal in September,1499.
They reached the Quarter-Final's then got Knocked out by Portugal on Penalties.
They have never reached a World Cup Final. They have reached two European Championship Finals. In 2004 they were beaten 1 - 0 by Greece. In 2016 they won 1 - 0 against France.
The people of Western Sahara declared independence in 1976 in a small hamlet called Bir Lehlu. At that time Morocco tried to occupy the territory. In 1991 a ceasefire was reached between Morocco and the independence movement POLISARIO, monitored by a UN peace mission called MINURSO.
Assuming that "his aunts" have reached the age of majority and that "your son" has a passport with the VISAs required by Morocco for citizens of "your son's" country, there should be no issue.