Spain
Spain borders both Portugal and France.
Spain borders Portugal along the west side and France on the north.
Mexico is the Spanish-speaking country that touches the US.
Portugal would be regarded as a developed country.
No, Portugal is not a Spanish-speaking country. The official language of Portugal is Portuguese.
The only country sharing a border with Portugal, that is, Spain
If you are Portuguese, Portugal is your home country.
Yes, Portugal was, and still is, primarily a Catholic country.
Spain is a country east of the country of Portugal.
Portugal IS a country
Portugal does not have a neighbor, on land, south of the country. Morocco is south of Portugal but separated by the Strait of Gibraltar. Portugal does have a neighbour, what about Spain