The Province of Nueva Ecija  consists of territory in north-central Luzon, and comprises the following municipalities: 

Aliaga, Bongabon, Cabanatuan (the capital of the province), Cabiao, Carranglan, Cuyapo, Gapan, Guimba, Jaen, Licab, Lupao, Muñoz, Nampicuan, Pantabangan, Peñaranda, Quezon, Rizal, San Antonio, San Isidro, San Jose, San Leonardo, Santa Rosa, Santo Domingo, Talavera, and Zaragoza. 

The Province of Nueva Vizcaya,  lying southeast of the Mountain Province and southwest of Isabela, consists of territory in north-central Luzon and comprises the following townships: ISHaCD 

Bagabag, Bambang, Bayombong (the capital of the province), Dupax, Imugan, Kayapa, Santa Cruz, and Solano. 

The Province of Occidental Negros  consists of territory in the northern and western part of the Island of Negros, including adjacent small islands. It comprises the following municipalities: 

Bacolod (the capital of the province), Bago, Binalbagan, Cadiz, Cauayan, Escalante, Himamaylan, Hinigaran, Ilog, Isabela, Kabankalan, La Carlota, Manapla, Murcia, Pontevedra, Sagay, San Carlos, Saravia, Silay, Talisay, Valladolid, and Victorias. 

The Province of Oriental Negros  consists of territory in the southern and eastern part of the Island of Negros, with adjacent small islands, and includes also the subprovince of Siquijor, which consists of the island of the same name. The province contains  the following municipalities: 

Ayuquitan, Bacong, Bais, Dauin, Dumaguete (the capital of the province), Gihulñgan, Jimalalud, Larena, Lazi, Luzuriaga, Manjuyod, Maria, San Juan, Siaton, Sibulan, Siquijor, Tanjay, Tayasan, Tolong, Vallehermoso, and Zamboanguita. 

The Province of Palawan  consists of the Island of Palawan, the islands of Dumaran and Balabac, the Calamian Islands, the Cuyo Islands, the Cagayanes Islands, and all other islands adjacent to any of them, not included in some other province. It contains th e townships of Cagayancillo, Coron, Cuyo, Puerto Princesa (the capital of the province), and Taytay. 

The Province of Pampanga , lying to the north of Manila Bay, consists of territory in the Island of Luzon, and contains the following municipalities: 

Angeles, Apalit, Arayat, Bacolor, Candaba, Floridablanca, Guagua, Lubao, 

