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Lanao del Sur
Province of Lanao del Sur
Flag of Lanao del Sur
Official seal of Lanao del Sur
Location in the Philippines
Location in the Philippines
Coordinates: 7°55′N 124°20′E / 7.92°N 124.33°E / 7.92; 124.33
RegionBangsamoro Autonomous Region in Muslim Mindanao
 • TypeSangguniang Panlalawigan
 • GovernorMamintal A. Adiong Jr. (Lakas–CMD)
 • Vice GovernorMohammad Khalid R. Adiong (Lakas–CMD)
 • Total3,872.89 km2 (1,495.33 sq mi)
Area rank33rd out of 81
Highest elevation2,815 m (9,236 ft)
 (2020 census) [2]
 • Total1,195,518
 • Rank24th out of 81
 • Density310/km2 (800/sq mi)
 • Density rank32nd out of 81
 • Independent cities0
 • Component cities
 • Municipalities
 • Barangays1,159
 • Districts1st and 2nd districts of Lanao del Sur
Time zoneUTC+8 (PHT)
ZIP code
9300–9321, 9700–9716
IDD:area code+63 (0)63
ISO 3166 codePH-LAS
Spoken languages
Income classification1st class

Lanao del Sur (Tagalog: Timog Lanao; Maranao and Iranun: Pagabagatan Ranao), officially the Province of Lanao del Sur, is a province in the Philippines located in the Bangsamoro Autonomous Region in Muslim Mindanao (BARMM). The capital is the city of Marawi, and it borders Lanao del Norte to the north, Bukidnon to the east, and Maguindanao and Cotabato to the south. To the southwest lies Illana Bay, an arm of the Moro Gulf.

Situated in the interior of Lanao del Sur is Lanao Lake, the largest in Mindanao.


"Lanao" means "lake", derived from ranao. The province, situated at basin of Lake Lanao, is known as the land of the "Maranaos" (which means "the "people of the lake").[3]


Pre-Islamic Era

Prior to the arrival of Islam, the region already had a sophisticated culture, as embodied in various Maranao epics, chants, and recorded history. The people of Lanao used to adhere to Hinduism, polytheist animism, and Buddhism. During this era, various cultural icons developed, such as the torogan, the singkil dance, the darangen epic, the unique Maranao gong and metal craft culture, the sarimanok, the okir motif, and an indigenous suyat script.[4][5]

Sultanate of Lanao

Lanao was first explored by the Spaniards in 1689, upon which they discovered a well-settled community named Dansalan at the lake's northern end. Lanao was the seat of the Sultanate of Lanao.[3]

During the Pre-Spanish time, there were 4 important boundaries which held the power of appointing a new sultan namely: Bakayawan, Dalama, Madamba and Sawer. In appointing a new sultan the permission of these four boundaries are needed to validate the new sultan appointed to his position.

World War II

In 1942, it was occupied by the Japanese Imperial Forces who landed in Southern Lanao. On May 2, 1942, the former Chief Justice of the Supreme Court of the Philippines José Abad Santos was killed by the Japanese Imperial forces in a firing squad at Malabang, Lanao del Sur. In 1945, the first of the liberation forces landed in Southern Lanao and liberated the area with United States, Philippine Commonwealth troops together with the Maranao guerrilla units.[further explanation needed] They used infantry weapons, the Maranao Kris, Barong and Kampilan swords against the Japanese forces in the Battle of Lanao.

In 1956, Republic Act No. 1552 changed the name Dansalan to Marawi, taken from the word rawi, referring to the reclining lilies abundant in the Agus River.[6]

Lanao province map in 1918
Lanao province map in 1918


In 1959, Lanao was divided into two provinces, Lanao del Norte and Lanao del Sur, under Republic Act No. 2228. Marawi was designated as the capital of Lanao del Sur.[7] The city was renamed the "Islamic City of Marawi" in 1980, and is currently the Philippines' only city having a predominantly Muslim population.[3]

Proposed Maranaw province

In 1971, Republic Act No. 6406, which sought to create a new province out of eastern Lanao del Sur (now corresponding to the province's first congressional district), was approved on October 4, 1971. The province was to consist of the municipalities of Bubong, Ditsaan-Ramain (including what is now Buadiposo-Buntong), Kapai, Lumba-Bayabao (including what is now Maguing), Marantao, Masiu, Mulondo, Saguiaran, Piagapo, Poona Bayabao, Tamparan, Taraka and Wao (including what is now Bumbaran), with the chartered city of Marawi serving as the new provincial capital.[8] The division never took place due to the declaration of Martial law in the Philippines on September 21, 1972, which disrupted the elections for 1973.

Inclusion to the ARMM

In a 1989 plebiscite, Lanao del Sur voted to join the Autonomous Region in Muslim Mindanao (ARMM), but the city of Marawi voted to remain outside the ARMM.[3] It later joined ARMM in 2001 following the plebiscite that sought to expand the autonomous region.

Contemporary history

The Battle of Marawi began and ended in 2017. The battle was against ISIL-affiliated militants, a number of which were Malaysian citizens. The battle destroyed most of the cityscape of Marawi and killed hundreds of civilians and Filipino soldiers.

A petition was released in support for the usage of the torogan as inspiration for the rehabilation of Marawi after the Battle of Marawi. The petition was released in opposition to the possible Manila Rehabilation Effect that the government plans to impose. The Manila-style rehabilation would establish shanty shouses and buildings without Maranao architectural styles, thus destroying Marawi's Maranao cultural skyline. The petition advocates a Warsaw-style Rehabilation Effect, where the culture and styles of a particular area is used as foundation for rehabilitation of built heritage and landscape. Among the local architectural styles that may be used under the Warsaw-style are the okir, sarimanok, and inspirations from the torogan. The Warsaw-style is also foreseen to boost tourism in the city in the long-run due to the cultural aesthetics it would bring.

Governors after People Power Revolution

  • 1986, 1988–1992, Saidamen Balt Pangarungan
  • 1992–1995, Saaduddin Alauya (Acting Governor)
  • 1995–1998, Mahid Mutilan
  • 1998–2001, Mahid Mutilan
  • 2001–2004, Mamintal A. Adiong, Sr.
  • 2004–2007, Mamintal A. Adiong, Sr.
  • 2004–2007, Aleem Basher Dimalaang Manalao
  • 2007-2016, Mamintal Alonto Adiong Jr.
  • 2016-2019, Soraya Alonto Adiong
  • 2019-present, Mamintal Alonto Adiong Jr.


Satellite view of Lanao Lake, situated entirely within the province
Satellite view of Lanao Lake, situated entirely within the province

Lanao del Sur forms the western portion of Northern Mindanao. It is bounded on the north by Lanao del Norte, on the east by Bukidnon, on the west by Illana Bay, and on the south by Maguindanao and Cotabato. The landscape is dominated by rolling hills and valleys, placid lakes and rivers.

Located within the province is Lanao Lake, the second largest in the country, its waters drained by the Agus River which eventually empties into the Iligan Bay.[3]

The climate in the province is characterized by even distribution of rainfall throughout the year, without a distinct summer season. The province is located outside the typhoon belt.[3]

Administrative divisions

Lanao del Sur comprises 39 municipalities and 1 city.

Political divisions
Political divisions
  •  †  Provincial capital and component city
  •   Municipality


Population census of Lanao del Sur
YearPop.±% p.a.
1903 13,811—    
1918 65,531+10.94%
1939 144,010+3.82%
1948 212,312+4.41%
1960 378,327+4.93%
1970 455,508+1.87%
1975 499,882+1.88%
1980 404,971−4.12%
1990 599,637+4.00%
1995 686,193+2.56%
2000 800,162+3.35%
2007 1,138,544+4.98%
2010 933,260−6.98%
2015 1,045,429+2.19%
2020 1,195,518+2.67%
Source: Philippine Statistics Authority [10][11][12]

The population of Lanao del Sur in the 2020 census was 1,195,518 people, [2] with a density of 310 inhabitants per square kilometre or 800 inhabitants per square mile.

The majority of people in the province are Maranaos,[3] with some and Cebuanos, Zamboangueños, Tausugs, Yakans, and Sama.

Maranao is the most commonly spoken language in the province.[3] Iranun is the native language of most of the inhabitants of the municipality of Kapatagan. Also spoken are Maguindanao and Chavacano followed by Tagalog and English.


Most of the people of Lanao del Sur are practitioners of Islam.[3] The majority of them are Sunni.



  • Dansalan College
  • Adiong Memorial Polytechnic State College
  • Gandamatu Private Hospital, located in Macadar (Patka Apo)
  • Lanao Agricultural College (LAC), located in Lumbatan
  • Mindanao State University (Main Campus)
  • Jamiatu Muslim Mindanao (Arabic - English)
  • Tamparan Populace Islamic College (TPIC)
  • Philippine Muslim Teachers' College (PMTC)
  • Al Khwarizmi International College (AKIC)
  • Philippine Integrated School Foundation Inc. (PISFI)
  • Philippine Engineering and Agro-Industrial College, Inc. (PEACI)

UNESCO Designations in Lanao del Sur

UNESCO has inscribed one Maranao element, the Darangen Chants of the Maranao People of Lake Lanao, in the Representative List of the Intangible Cultural Heritage of Humanity in 2008. The element was earlier inscribed in the UNESCO Oral and Intangible Heritage of Humanity Representative List in 2005. The organization has also designated the Old Town of Tugaya as a UNESCO Home for Culture and Heritage. UNESCO has recommended for the nomination of Tugaya and all of Lanao del Sur's traditional crafts heritage in Representative List of the Intangible Cultural Heritage of Humanity, following reports made in 2014 and 2015. The Philippine ambassador to UNESCO and France noted that it will be better to inscribe Maranao's traditional crafts in the List of Intangible Cultural Heritage in Need of Urgent Safeguarding as they have been endangered due to the 2017 Battle of Marawi. The nomination is being finalized by the Philippine government, as announced in 2018. The torogans of Lanao are also recommended by UNESCO to be nominated in the World Heritage List once proper documentation and restoration has been completed. Two torogans have been bought by a controversial heritage resort company, Las Casas Filipinas de Acuzar, and were transported to Bataan, sparking a provincial campaign to get back the two royal houses to their ancestral homeland.[20]


  • Amai Pakpak Medical Center
  • Former Libyan Hospital
  • Dr. Abdullah Hospital


  1. ^ Autonomous Region in Muslim Mindanao, Department of Agriculture: Lanao del Sur Archived 2015-01-19 at the Wayback Machine (There are major discrepancies among authoritative sources: 4121.3 km² (NAMRIA); 1,349,437 ha (NSCB, this value seems unreasonable and must be assumed as erroneous, see Talk:Lanao del Sur#Area))
  2. ^ a b Census of Population (2020). Highlights of the Philippine Population 2020 Census of Population. PSA. Retrieved 8 July 2021.
  3. ^ a b c d e f g h i Lancion, Jr., Conrado M.; cartography by de Guzman, Rey (1995). "The Provinces; Lanao del Sur". Fast Facts about Philippine Provinces (The 2000 Millennium ed.). Makati, Metro Manila, Philippines: Tahanan Books. pp. 94–95. ISBN 971-630-037-9. Retrieved 25 December 2015.
  4. ^ "National Commission for Culture and the Arts".
  5. ^ "The Traditional Dance of Lanao del Sur, on the Spotlight in Teleserye Wildflower – Choose Philippines. Find. Discover. Share".
  6. ^ "Republic Act No. 1552 - An Act to Amend the Charter of the City of Dansalan So as to Change Its Name to Marawi and Make Elective Its Mayor, Vice Mayor and Councilors, and for Other Purposes". Chan Robles Virtual Law Library. Retrieved 25 December 2015.
  7. ^ "Republic Act No. 2228 - An Act to Create the Provinces of Lanao del Norte and Lanao del Sur". Chan Robles Virtual Law Library. Retrieved 25 December 2015.
  8. ^ "Republic Act No. 6406 - An Act Dividing the Province of Lanao del Sur into the Province of Maranaw and Lanao del Sur". Chan Robles Virtual Law Library. Retrieved 25 December 2015.
  9. ^ a b "Province: Lanao del Sur". PSGC Interactive. Quezon City, Philippines: Philippine Statistics Authority. Retrieved 8 January 2016.
  10. ^ a b Census of Population (2015). Highlights of the Philippine Population 2015 Census of Population. PSA. Retrieved 20 June 2016.
  11. ^ a b Census of Population and Housing (2010). Population and Annual Growth Rates for The Philippines and Its Regions, Provinces, and Highly Urbanized Cities (PDF). NSO. Retrieved 29 June 2016.
  12. ^ Census of Population and Housing (2010). "ARMM – Autonomous Region in Muslim Mindanao". Total Population by Province, City, Municipality and Barangay. NSO. Retrieved 29 June 2016.
  13. ^ "Poverty incidence (PI):". Philippine Statistics Authority. Retrieved 28 December 2020.
  14. ^; publication date: 29 November 2005; publisher: Philippine Statistics Authority.
  15. ^; publication date: 8 February 2011; publisher: Philippine Statistics Authority.
  16. ^; publication date: 27 August 2016; publisher: Philippine Statistics Authority.
  17. ^; publication date: 27 August 2016; publisher: Philippine Statistics Authority.
  18. ^; publication date: 27 August 2016; publisher: Philippine Statistics Authority.
  19. ^; publication date: 4 June 2020; publisher: Philippine Statistics Authority.
  20. ^ "Art installations inaugurate art space at controversial Acuzar 'heritage resort' in Bataan". 26 May 2013.

External links

Map all coordinates using: OpenStreetMap 
Download coordinates as: KML
This page was last edited on 7 September 2021, at 22:55
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