Philippines reverts to 14 regions when it abolishing CAR, NIR and ARMM, 9 new provinces and more congressional districts!

By December 13, 2016, it will close to 13 Regions, 81 provinces, 1,489 municipalities, 145 Cities and 42,029 barangays.
The country has now thirteen geographical regions and 120 primary local government units would reverted by the Rodrigo Duterte presidency:to retain the presidential system:

• 1 - Northwestern Luzon
• PSGC: 01
• Island group: Luzon
• Regional center: City of San Fernando (La Union)
• Primary local government units: Ilocos Norte, Ilocos Sur, Abra, Mountain Province, Baguio City, Benguet, La Union, Dagupan City, Pangasinan
• Area: 22,161.82 km2 (10,730.19 sq mi)
• Population: 5,859,912 (64.3%)
• Density: 6,137/km2 (15570/sq mi)
• Cities: 10
• Municipalities: 166
• Barangays: 3,981
• Cong. districts: 16
• 2 - Northeastern Luzon
• PSGC: 02
• Island group: Luzon
• Regional center: Tuguegarao City
• Primary local government units: Batanes, Cagayan, Ifugao, Santiago City, Isabela, Kalinga, Apayao, Nueva Vizcaya, Quirino
• Area: 38,501.64 km2 (14,865.56 sq mi)
• Population: 3,734,490 (95.6%)
• Density: 271/km2 (507/sq mi)
• Cities: 5
• Municipalities: 114
• Barangays: 2,771
• Cong. districts: 13
• 3 - Central Luzon
• PSGC: 3
• Island Group: Luzon
• Regional Center: San Fernando, Pampanga
• Primary local government units: Aurora, Bataan, Bulacan, Nueva Ecija, Angeles City, Pampanga, Tarlac, Olongapo City, Zambales
• Area: 22,014.63 km2 (8,499.90 sq mi)
• Population: 10,137,737 (11.0%)
• Density: 460/km2 (1,200/sq mi)
• Cities: 14
• Municipalities: 116
• Barangays: 3,102
• Cong. districts: 20
• 4 - Southern Luzon
• PSGC: 4
• Island Group: Luzon
• Regional Center: Calamba
• Primary local government units: Batangas City, Batangas, Cavite, Laguna, Lucena City, Quezon, Antipolo City, Rizal, Marinduque, Occidental Mindoro, Oriental Mindoro, Puerto Princesa City, Palawan, Romblon
• Area: 46,494.21 km2 (17,951.51 sq mi)
• Population: 8,165,082 (8.9%)
• Registered Voters (2010): 8,208,876
• Density: 393/km2 (1020/sq mi)
• 4A - Metropolitan Manila / National Capital Region
• PSGC: 4A
• Island Group: Luzon
• Regional Center: Manila
• Primary local government units: Caloocan, Las Piñas, Makati, Malabon, Mandaluyong, Manila, Marikina, Muntinlupa, Navotas, Parañaque, Pasay, Pasig, Pateros, Quezon City, San Juan, Taguig, Valenzuela
• Area: 611.39 km2 (236.06 sq mi)
• Population: 11,855,975 (12.8%)
• Density: 19,000/km2 (49,000/sq mi)
• 5 - Southeastern Luzon
• PSGC: 05
• Island Group: Luzon
• Regional Center: Legazpi
• Primary local government units: Camarines Norte, Naga City, Camarines Sur, Albay, Catanduanes, Sorsogon, Masbate
• Area: 18,155.82 km2 (7,010.00 sq mi)
• Population: 5,420,411 (5.9%)
• Density: 300/km2 (780/sq mi)
• 6 - Western Visayas
• PSGC: 06
• Island Group: Visayas
• Regional Center: Iloilo City
• Primary local government units: Aklan, Antique, Capiz, Iloilo, Iloilo City, Guimaras, Bacolod City, Negros Occidental
• Area: 20,794.18 km2 (7,965.87 sq mi)
• Population: 6,590,618 (4.5%)
• Density: 640/km2 (1650/sq mi)
• 7 - Central Visayas
• PSGC: 07
• Island Group: Visayas
• Regional Center: Cebu City
• Primary local government units: Cebu City, Cebu, Lapu-Lapu, Mandaue, Negros Oriental, Bohol, Siquijor
• Area: 15,487.69 km2 (5,979.83 sq mi)
• Population: 6,800,180 (6.0%)
• Density: 790/km2 (2,020/sq mi)
• Provinces : 6
• Cities: 16
• Municipalities: 114
• Barangays: 3,389
• Cong. districts: 11
• 8 - Eastern Visayas
• PSGC: 08
• Island group: Visayas
• Regional center: Tacloban
• Primary local government units: Biliran, Tacloban City, Ormoc, Leyte, Southern Leyte, Northern Samar, Samar, Eastern Samar
• Area: 23,251.10 km2 (8,977.30 sq mi)
• Population: 4,101,322 (4.4%)
• Density: 180/km2 (470/sq mi)
• Provinces: 4
• Cities: 16
• Municipalities: 116
• Barangays: 3,003
• Cong. districts: 14
• 9 - Western Mindanao
• PSGC: 09
• Island group: Mindanao
• Regional center: Pagadian
• Primary local government units: Zamboanga del Norte, Zamboanga del Sur, Zamboanga Sibugay, Zamboanga City, Isabela City, Basilan, Sulu, Tawi-Tawi
• Area: 20047.47 km2 (7,740.37 sq mi)
• Population: 4,394,336 (3.7%)
• Density: 1,550/km2 (2,060/sq mi)
• Cities: 5
• Municipalities: 67
• Barangay: 2,022
• 10 - Northern Mindanao
• PSGC: 10
• Island group: Mindanao
• Regional center: Cagayan de Oro
• Primary local government units: Misamis Occidental, Lanao del Norte, Camiguin, Cagayan de Oro, Misamis Oriental, Bukidnon
• Area: 20047.47 km2 (7,740.37 sq mi)
• Population: 3,366,585 (4.7%)
• Density: 1,550/km2 (2,060/sq mi)
• Cities: 9
• Municipalities: 125
• Barangay: 2,727
• 11 - Southeastern Mindanao
• PSGC: 11
• Island group: Mindanao
• Regional center: Davao City
• Primary local government units: Davao del Norte, Compostela Valley, Davao City, Davao del Sur, Davao Occidental, Davao Oriental
• Area: 20,357.42 km2 (7,860.04 sq mi)
• Population: 4,468,563 (4.8%)
• Density: 220/km2 (570/sq mi)
• Cities: 6
• Municipalities: 65
• Barangay: 1,162
• 12 - Central Mindanao
• PSGC: 12
• Island group: Mindanao
• Regional center: Koronadal
• Primary local government units: Cotabato City, Cotabato, Lanao del Sur, Maguindanao, General Santos, South Cotabato, Sarangani, Sultan Kudarat
• Area: 22,513.30 km2 (8,692.43 sq mi)
• Population: 5,987,549 (4.8%)
• Density: 386/km2 (1,000/sq mi)
• Cities: 5
• Municipalities: 120
• Barangay: 2,862
• 13 - Northeastern Mindanao
• PSGC: 13
• Island group: Mindanao
• Regional center: Butuan
• Primary local government units: Butuan City, Agusan del Norte, Agusan del Sur, Dinagat Islands, Surigao del Norte, Surigao del Sur
• Area: 21,478.35 km2 (8,292.84 sq mi)
• Population: 2,429,224
• Density: 110/km2 (290/sq mi)
• Cities: 6
• Municipalities: 70
• Barangays: 1,310

Existing primary local government units
As of September 2015, there were 81 provinces, 33 highly urbanized cities, 5 independent component cities, and one independent municipality. All 120 primary LGUs are under direct administrative supervision of the President of the Philippines.

1. Metro Manila
1. Caloocan City
2. Las Piñas City
3. Makati City
4. Malabon City
5. Mandaluyong City
6. City of Manila
7. Marikina City
8. Muntinlupa City
9. Navotas City
10. Parañaque City
11. Pasay City
12. Pasig City
13. Pateros
14. Quezon City
15. San Juan del Monte
16. Taguig City
17. Valenzuela City
2. Ilocos Norte
3. Ilocos Sur
4. Abra
5. La Union
6. Baguio City
7. Benguet
8. Dagupan City
9. Pangasinan
10. Santiago City
11. Isabela
12. Apayao
13. Cagayan
14. Kalinga
15. Batanes
16. Quirino
17. Nueva Vizcaya
18. Aurora
19. Bataan
20. Bulacan
21. Nueva Ecija
22. Angeles City
23. Pampanga
24. Tarlac
25. Olongapo City
26. Zambales
27. Rizal
28. Cavite
29. Laguna
30. Batangas
31. Lucena City
32. Quezon
33. Marinduque
34. Occidental Mindoro
35. Oriental Mindoro
36. Puerto Princesa City
37. Palawan
38. Romblon
39. Camarines Norte
40. Naga City
41. Camarines Sur
42. Albay
43. Catanduanes
44. Sorsogon
45. Masbate
46. Samar
47. Antique
48. Capiz
49. Iloilo City
50. Iloilo
51. Guimaras
52. Aklan
53. Bacolod City
54. Negros Occidental
55. Cebu
56. Cebu City
57. Lapu-Lapu City
58. Mandaue City
59. Negros Oriental
60. Bohol
61. Siquijor
62. Biliran
63. Tacloban City
64. Ormoc City
65. Leyte
66. Southern Leyte
67. Northern Samar
68. Samar
69. Eastern Samar
70. Zamboanga del Norte
71. Zamboanga del Sur
72. Zamboanga Sibugay
73. Zamboanga City
74. Isabela City
75. Basilan
76. Sulu
77. Tawi-Tawi
78. Misamis Occidental
79. Lanao del Norte
80. Camiguin
81. Cagayan de Oro
82. Misamis Oriental
83. Bukidnon
84. Davao del Norte
85. Compostela Valley
86. Davao City
87. Davao del Sur
88. Davao Occidental
89. Davao Oriental
90. Cotabato City
91. North Cotabato
92. Lanao del Sur
93. Maguindanao
94. General Santos
95. South Cotabato
96. Sarangani
97. Sultan Kudarat
98. Butuan City
99. Agusan del Norte
100. Agusan del Sur
101. Dinagat Islands
102. Surigao del Norte
103. Surigao del Sur

plus nine (9) new provinces by the year 2019:

1. Camarines Oriental (from the fourth congressional district of Camarines Sur)
2. Nueva Camarines (from the fifth congressional district of Camarines Sur)
3. Negros del Norte (from the first, second and third congressional districts of Negros Occidental)
4. Western Leyte (from the fourth and fifth congressional districts of Leyte)
5. Northwestern Samar (from the first congressional district of Western Samar)
6. Liloy (from the third congressional district of Zamboanga del Norte)
7. Shariff Kabunsuan (from the first congressional district of Maguindanao)
8. Maranaw (from the first congressional district of Lanao del Sur)
9. Lanao del Sur (from the second congressional district of Lanao del Sur)

New congressional districts under the next congress (18th Congress of the Philippines, 2019-2022) during the mid-term of Duterte:

• Cagayan –3rd Current: 1 Proposed: 2  Note: Separation of Tuguegarao City to become a lone district.
• Isabela–1st Current: 1 Proposed: 2  Note: Separation of Ilagan City to become a lone district.
• Isabela–3rd Current: 1 Proposed: 2  Note: Separation of Cauayan City to become a lone district.
• Isabela–4th Current: 1 Proposed: 2  Note: Separation of Santiago City to become a lone district.
• Pangasinan–4th Current: 1 Propose:d 2 Note: Separation of Dagupan City to become a lone district.
• Nueva Ecija–3rd Current: 1 Propose:d 2 Note: Separation of Cabantuan City to become a lone district.
• Pampanga–1st Current: 1 Proposed: 2 Note: Separation of Angeles to become a lone district.
• Tarlac–2nd Current: 1 Proposed: 3 Note: Separation of Tarlac City to become a lone district.
• Bataan–2nd Current: 1 Proposed: 2 Note: Separation of Balanga to become a lone district.
• Bulacan–1st Current: 1 Proposed: 2 Note: Separation of Malolos to become a lone district.
• City of San Jose Del Monte, Bulacan - San Jose del Monte to be split into two districts, abolishing the lone district:
• First District: Ciudad Real, Dulong Bayan, Francisco Homes-Guijo, Francisco Homes-Mulawin, Francisco Homes-Narra, Francisco Homes-Yakal, Gaya-Gaya, Graceville, Gumaoc - Central, Gumaoc - East, Gumaoc - West, Kaybanban, Kaypian, Maharlika, Muzon, Paradise III, Poblacion, Poblacion I, San Isidro, San Manuel, San Roque, Sto. Cristo, Tungkong Mangga
• Second District: Minuyan I, Minuyan II, Minuyan III, Minuyan IV, Minuyan V, Bagong Buhay I, Bagong Buhay II, Bagong Buhay III, San Martin I, San Martin II, San Martin III, San Martin IV, Sta. Cruz I, Sta. Cruz II, Santa Cruz III, Santa Cruz IV, Santa Cruz V, Fatima I, Fatima II, Fatima III, Fatima IV, Fatima V, San Pedro, Citrus, San Rafael I, San Rafael II, San Rafael III, San Rafael IV, San Rafael V, Assumption, Lawang Pare, Santo Niño I, Sto. Niño II, St. Martin de Porres, Sapang Palay Proper, Minuyan Proper
• San Juan - Current: 1 Proposed 2 Note: San Juan to be split into two districts:
• First District - Balong Bato, Batis, Corazon de Jesus, Ermitaño, Pasadena, Pedro Cruz, Progreso, Rivera, Salapan, San Perfecto
• Second District - Addition Hills, Greenhills, Isabelita, Kabayanan, Little Baguio, Maytunas, Onse, St. Joseph, Sta. Lucia, Tibagan, West Crame
• Mandaluyong City - Current: 1 Proposed 2 Note: Mandaluyong to be split into two districts:
• First District - Addition Hills, Bagong Silang, Burol, Daang Bakal, Hagdan Bato Itaas, Hagdan Bato Libis, Harapin Ang Bukas, Highway Hills, Mauway, New Zañiga, Pag-Asa, Pleasant Hills, Poblacion, Wack-Wack Greenhills
• Second District - Barangka Drive, Barangka Ibaba, Barangka Ilaya, Barangka Itaas, Buayang Bato, Hulo, Mabini-J. Rizal, Malamig, Namayan, Old Zañiga, Plainview, San José, Vergara
• Pasig City - Current: 1 Proposed 2 Note: Pasig to be split into two districts:
• First District - Bagong Ilog, Bagong Katipunan, Bambang, Buting, Caniogan, Kalawaan, Kapasigan, Kapitolyo, Malinao, Oranbo, Palatiw, Pineda, Sagád, San Antonio, San Joaquín, San José, San Nicolas, Santa Cruz, Santa Rosa, Santo Tomás, Sumilang, Ugong
• Second District - Dela Paz, Manggahan, Maybunga, Pinagbuhatan, Rosario, San Miguel, Santa Lucia, Santolan
• Las Pinas - Current: 1 Proposed 2 Note: Las Pinas  to be split into two districts:
• First District - 
• Second District
• Bacoor City - Current: 1 Proposed 2 Note: Bacoor to be split into two districts:
• First District - Alima, Aniban I, Aniban II, Aniban III, Aniban IV, Aniban V, Banalo, Camposanto, Daang-Bukid, Digman, Dulong-Bayan, Kaingin, Habay I, Habay II, Ligas I, Ligas II, Ligas III, Mabolo I, Mabolo II, Mabolo III, Maliksi I, Maliksi II, Maliksi III, Niog I, Niog II, Niog III, Panapaan I/P.F. Espirtu I, Panapaan II/P.F. Espiritu II, Panapaan III/P.F. Espiritu III, Panapaan IV/P.F. Espiritu IV, Panapaan V/P.F. Espiritu V, Panapaan VI/P.F. Espiritu VI, Panapaan VII/P.F. Espiritu VII, Panapaan VIII/P.F. Espiritu VIII, Real I, Real II, Salinas I, Salinas II, Salinas III, Salinas IV, San Nicolas I, San Nicolas II, San Nicolas III, Sineguelasan, Tabing-Dagat (Town Proper), Talaba I, Talaba II, Talaba III, Talaba IV, Talaba V, Talaba VI, Talaba VII, Zapote I, Zapote II, Zapote III, Zapote IV, Zapote V/Longos
• Second District - Bayanan, Mambog I, Mambog II, Mambog III, Mambog IV, Mambog V, Molino I/Burol, Molino II, Molino III, Molino IV, Molino V/Bahayang Pag-Asa, Molino VI/Soldiers Hills IV, Molino VII/Gawaran, Queens Row Central, Queens Row East, Queens Row West
• Pateros - Proposed: 2 Note: Separation of Pateros to become a lone district, and granting it cityhood
• Lone District: Aguho, Magtanggol, Martires Del 96, Poblacion, San Pedro, San Roque, Sta. Ana, Sto. Rosario - Kanluran, Sto. Rosario - Silangan, Tabacalera
• Muntinlupa City - Muntinlupa to be split into two districts:
• First District - Bayanan, Poblacion, Putatan, Tunasan
• Second District - Alabang, Ayala Alabang, Buli, Cupang, Sucat
• Laguna–1st Current: 1 Proposed: 2 Note: Separation of San Pedro to become a lone district.
• Laguna–3rd Current: 1 Proposed: 2 Note: Separation of San Pablo to become a lone district.
• Quezon–2nd Current: 1 Proposed: 2 Note: Separation of Lucena City to become a lone district.
• Palawan–3rd Current: 1 Proposed: 2 Note: Separation of Puerto Princessa City to become a lone district.
• Both Sorsogon districts Current: 1 Proposed: 1 Note: Transfer of Juban from the 2nd to the 1st district.
• Aklan Current: 1 Proposed: 2 Note: Aklan to be split into two districts.
• Samar–1st Current: 1 Proposed: 2 Note: Separation of Calbayog City to become a lone district.
• Davao del Sur–Lone Current: 1 Proposed: 2 Note: Separation of Digos City to become a lone district.
• South Cotabato–1st Current: 1 Proposed: 2 Note: Separation of General Santos City to become a lone district.
• Maguindanao–1st Current: 1 Proposed: 2 Note: Separation of Cotabato City to become a lone district.

There are currently 6 new districts that shall be contested in 2016 and 2019:

• Davao Occidental
• No seat was added as the part of the old 2nd district of Davao del Sur shall be absorbed by its lone district.
• Biñan alternatively the fifth district of Laguna
• Legislative districts of Batangas
• Batangas City district designated as its fifth district
• Lipa district designated as its sixth district
• Cebu–7th

2019:

• Malolos alternatively the fifth district of Bulacan
• General Trias alternatively the eighth district of Cavite