Nueva Vizcaya is a province

Provinces of the Philippines

The Provinces of the Philippines are the primary political and administrative divisions of the Philippines. There are 80 provinces at present, further subdivided into component cities and municipalities. The National Capital Region, as well as independent cities, are autonomous from any provincial...

 of the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 located in the Cagayan Valley

Cagayan Valley

Cagayan Valley is a region of the Philippines, also designated as Region II or Region 02. It is composed of five provinces, namely: Batanes, Cagayan, Isabela, Nueva Vizcaya, and Quirino...

 region

Regions of the Philippines

In the Philippines, regions are administrative divisions that serve primarily to organize the provinces of the country for administrative convenience. Currently, the archipelagic republic of the Philippines is divided into 17 regions...

 in Luzon

Luzon

Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

. Its capital is Bayombong

Bayombong, Nueva Vizcaya

Bayombong is a 1st class municipality in the province of Nueva Vizcaya, Philippines. It is the capital municipality of Nueva Vizcaya. According to the latest census, it has a population of 54,417 people in 10,693 households.-Barangays:...

. It is bordered by, clockwise from the north, Ifugao

Ifugao

Ifugao is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Covering a total land area of 262,820 hectares, the province of Ifugao is located in a mountainous region characterized by rugged terrain, river valleys, and massive forests...

, Isabela

Isabela province

Isabela is the second largest province of the Philippines next to Palawan. It is located in the Cagayan Valley Region in Luzon. Its capital is Ilagan and borders, clockwise from the south, Aurora, Quirino, Nueva Vizcaya, Ifugao, Mountain Province, Kalinga, and Cagayan...

, Quirino

Quirino

Quirino is a province of the Philippines located in the Cagayan Valley region in Luzon. Its capital is Cabarroguis and was named after Elpidio Quirino, the sixth President of the Philippines. The province borders Aurora to the southeast, Nueva Vizcaya to the west, and Isabela to the north...

, Aurora, Nueva Ecija

Nueva Ecija

Nueva Ecija is a landlocked province of the Philippines located in the Central Luzon region. Its capital is Palayan City...

, Pangasinan

Pangasinan

Pangasinan is a province of the Republic of the Philippines. The provincial capital is Lingayen. Pangasinan is located on the west central and peripheral area of the island of Luzon along the Lingayen Gulf, with the total land area being 5,368.82 square kilometers . According to the latest census,...

, and Benguet

Benguet

Benguet is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is La Trinidad and borders, clockwise from the south, Pangasinan, La Union, Ilocos Sur, Mountain Province, Ifugao, and Nueva Vizcaya....

.
The name was derived from the Spanish

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 province Vizcaya

Biscay

Biscay is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lord of Biscay. Its capital city is Bilbao...

 in the Basque Country

Basque Country (autonomous community)

The Basque Country is an autonomous community of northern Spain. It includes the Basque provinces of Álava, Biscay and Gipuzkoa, also called Historical Territories....

. The province of Nueva Vizcaya used to be a territory of the vast Cagayan Valley

Cagayan Valley

Cagayan Valley is a region of the Philippines, also designated as Region II or Region 02. It is composed of five provinces, namely: Batanes, Cagayan, Isabela, Nueva Vizcaya, and Quirino...

 which was once an integral political unit with one governor. In 1839, then-Governor Luis Lardizabal issued an order transforming Nueva Vizcaya into a politico-military province upon the advice of the alcalde mayor of Cagayan

Cagayan

Cagayan , the "Land of Smiling Beauty", is a province of the Philippines in the Cagayan Valley region in Luzon. Its capital is Tuguegarao City and is located at the northeastern corner of the island of Luzon. Cagayan also includes the Babuyan Islands to the north. The province borders Ilocos Norte...

.