I'd say Baixo Alentejo.
Portugal is unitary and does not have states. The largest administrative region is Alentejo, with an area of 31,150 sq km.
The two largest cities in Portugal are Lisbon and Amadora.
Lisbon [Lisboa] is the capital of Portugal [A República Portuguesa]. It also is the largest city of Portugal. Lisbon is located on the coast where the Tagus [Tejo] River empties into the Atlantic Ocean
Lagos is a state and city within the Nigerian state of Lagos.The city of Lagos is the largest city in Africa.
Madeira
The capital of Portugal is Lisbon. It is located on the western coast where the Rio Tejo empties into the Atlantic Ocean.
The largest waves in Portugal can be found at Nazar, a coastal town in central Portugal. The waves at Nazar are known for their size and power, attracting surfers from around the world.
Portugal is one of the world's largest producers of Wine and Cork.
portugal
Portugal is a country in the West of Europe.
Serra da Estrela
Portugal is in Europe not Asia and there are many countries larger than it.