Spain is the largest with 505 900 kilometers2 or 195 364 miles2. Portugal is the second largest of the three with area of 90 212 kilometers2 or 35 603 miles2. Slovakia is the smallest of the three with area of 49 035 kilometers2 or 18 932 miles2.
it's Spain
Spain
Lisbon is the capital city of Portugal, which is a neighbouring country of Spain.
Ireland,France,Spain,Portugal,Germany,Netherlands,Belgium,Italy,Austria,Slovakia,Greece,Estonia and Slovenia.
Spain is known as Spain and Portugal as Portugal.
Portugal is west of Spain, between Spain and the Atlantic Ocean.
Mainly Mediterranean and Eastern European countries such as Greece, Italy, Spain, Portugal, Romania, Russia, Ukraine, Bulgaria, Poland, the Czech Republic, Slovakia, Serbia, Slovenia, and Croatia.
Portugal is bounded by the Atlantic Ocean and by Spain.
Portugal is west of Spain.
Spain and Portugal both sponsored him
Spain is the only country that borders Portugal.