Region VI (Western Visayas)

PSGC: 060000000
ISO: 06
Regional Centre: Iloilo City
Congressional Districts: 18
Provinces: 6
Cities: 16
Municipalities: 117
Barangays: 4,051

September 24, 1972: Region VI (Western Visayas) created from Aklan, Antique, Capiz, Guimaras, Iloilo and Negros Occidental with Iloilo City as the regional centre, by Presidential Decree No. 1 as part of the Integrated Reorganisation Plan.

PSGC: 060400000
ISO: AKL
Province Capital: Kalibo
Area Code: 36
Congressional Districts: 1
Cities: 0
Municipalities: 17
Barangays: 327

1212 - 1213: Ten datus from Borneo purchase the island of Panay from Negrito chief Marikudo. Panay is divided into the three territories of Hamtic, Irong-Irong and Minuro it Aklan.
1566: Became part of Ogton.
1719: Became part of Panay.
April 25, 1956: Aklan province created from Capiz by Republic Act No. 1414.

PSGC: 060600000
ISO: ANT
Province Capital: San Jose
Area Code: 36
Congressional Districts: 1
Cities: 0
Municipalities: 18
Barangays: 590

1212 - 1213: Ten datus from Borneo purchase the island of Panay from Negrito chief Marikudo. Panay is divided into the three territories of Hamtic, Irong-Irong and Minuro it Aklan.
1566: Became part of Ogton.
1790: Antique province created from Ogton and Panay.
March 10, 1917: Province established by Act No. 2711.

PSGC: 061900000
ISO: CAP
Province Capital: Roxas City
Area Code: 36
Congressional Districts: 2
Cities: 1
Municipalities: 16
Barangays: 473

1212 - 1213: Ten datus from Borneo purchase the island of Panay from Negrito chief Marikudo. Panay is divided into the three territories of Hamtic, Irong-Irong and Minuro it Aklan.
1566: Became part of Ogton.
1716: Panay province created from Ogton. Later renamed Capiz.
March 10, 1917: Province established by Act No. 2711.

PSGC: 067900000
ISO: GUI
Province Capital: Jordan
Area Code: 33
Congressional Districts: 1
Cities: 0
Municipalities: 5
Barangays: 98

June 18, 1966: Guimaras created as a sub-province of Iloilo by Republic Act No. 4667.
May 22, 1992: Became a province by Republic Act No. 7160.

PSGC: 063000000
ISO: ILI
Province Capital: Iloilo City
Area Code: 33
Congressional Districts: 6
Cities: 2
Municipalities: 42
Barangays: 1,901

1212 - 1213: Ten datus from Borneo purchase the island of Panay from Negrito chief Marikudo. Panay is divided into the three territories of Hamtic, Irong-Irong and Minuro it Aklan.
1566: Ogton province created from the territories of Hamtic, Irong-Irong and Minuro it Aklan.
1700: Ogton renamed Iloilo.
March 10, 1917: Province established by Act No. 2711.

PSGC: 064500000
ISO: NEC
Province Capital: Bacolod City
Area Code: 34
Congressional Districts: 7
Cities: 13
Municipalities: 19
Barangays: 662

1734: Negros created as a district from Cebu and Ogton.
1865: Negros became a province.
January 1890: Negros Occidental province created from Negros.
November 1898: United with Negros Oriental to create the Negros Republic.
April 20, 1901: Negros Occidental restored as a province.
March 10, 1917: Province established by Act No. 2711.
Janaury 3, 1986: Negros del Norte province created from Negros Occidental by Batas Pambansa No. 885.
July 11, 1986: Creation of Negros del Norte declared unconstitutional by the Supreme Court.
August 18, 1986: Negros del Norte abolished.

¹ Part of Negros del Norte.
² Negros del Norte province capital.