Northern Region, a region that includes the districts of Viana do Castelo, Braga, Porto, Vila Real and Bragança, and the north of the district of Aveiro, Guarda and Viseu. It is bordered to the north and east by Spain, to the south by the Centro Region and to the west by the Atlantic Ocean.
Centro Region, a region limited to the north by the North Region, to the east by Spain, to the south by the Alentejo, to the southwest by the region of Lisbon and the Tagus Valley, and to the west by the Atlantic Ocean;
Lisbon and Tagus Valley, also called Estremadura and Ribatejo, is a region of Portugal that encompasses the District of Lisbon, a large part of the District of Santarém, approximately half of the District of Setúbal, and approximately one third of the District of Leiria. It is bordered to the north by the Center region, to the east and south by the Alentejo region, and to the south and west by the Atlantic Ocean;
Region of Alentejo, a region of south-central Portugal, which encompasses the districts of Portalegre, Évora and Beja and the southern half of the district of Setúbal and part of the district of Santarém.
Algarve Region, the southernmost region of Portugal, with the city of Faro as its capital.
Autonomous Region of Madeira, known as “Madeira”, is an archipelago composed of the four islands: Madeira, Porto Santo, Desertas and Selvagens, located in the Atlantic Ocean between 30 ° and 33 ° north latitude, off Morocco.
Autonomous Region of the Azores, known as “Açores” is an archipelago composed of the nine islands of: São Miguel, Terceira, Graciosa, São Jorge, Pico, Faial, Flores and Corvo, located in the northeast Atlantic. The Azores archipelago was formed by volcanic activity that started about 8.1 million years ago