About Us

Physical and Socio-Economic Profile





4a map

Region IV-A also known as CALABARZON was created by virtues of EXECUTIVE ORDER 103 which was approved on May 17, 2002, creating Region IV A and Region IV-B and transferring the province of Aurora under the territorial and administrative jurisdiction of Region III. The region is located in south-western part of Luzon, just south and east of Metro Manila, on the east by the Philippine Sea and Bicol Region, on the south by Verde Island Passage, and on the west by Luzon Sea. It is practically accessible via all types of land transportation.

CALABARZON consists of five (5) provinces, twenty four (24) congressional districts, nineteen (19) cities, twenty four (124) municipalities, and four thousand eleven (4,011) barangays. The nineteen (19) cities of the region are: Antipolo City (Rizal), Bacoor City (Cavite); Cavite City (Cavite); Imus City (Cavite); Trece Martirez City (Cavite); Tagaytay City (Cavite); Dasmariñas City (Cavite); General Trias City (Cavite); City of Biñan (Laguna); Cabuyao City (Laguna); Calamba City (Laguna); San Pablo City (Laguna); San Pedro (Laguna); Sta. Rosa City (Laguna); Batangas City (Batangas); Lipa City (Batangas); Tanauan City (Batangas); Lucena City (Quezon); and Tayabas City (Quezon). Quezon province has the most number of municipalities and barangays while Rizal province has the least.


Province Provincial Capital Number
Congressional Districts Cities Municipalities Barangays
 Cavite  Trece Martirez City  16  829 
 Laguna  Sta. Cruz 23  674 
 Batangas  Batangas City 31  1,078 
 Rizal  Antipolo City 13  188 
 Quezon  Lucena City 39  1,242 
  Total  22



CALABARZON has varied land forms. It consist partly of coastal areas and mostly upland interior areas of slightly moderate rolling or undulating plains and hills, and mountains. Almost sixty percent of the region’s land area has a slope ranging from 0-18 percent. Slope distribution by province is presented below.

Province Level to nearly level


Gently sloping to undulating


Moderately sloping to rolling


Strongly sloping to moderately steep


Steep hills and mountains


Very steep hills and mountains


 Region 248,356   189,330  531,583   47,658  215,538    390,396  1,622,861  
 Batangas 25,253   54,624   118,490   12,810  17,750    87,654  316,581  
 Cavite 26,603   30,438   40,330   7,644  6,154    17,586  128,755  
 Laguna 47,194   24,460   50,487   10,558  18,658    24,616  175,973  
 Quezon 141,976   73,360   289,044   16,314  139,026    210,940  870,660  
 Rizal 7,330   6,448   33,232   332  33,950    49,600  130,892  
 % to Total  Land Area  15%   12%   33%   3%  13%    24%  100%  
 Source: NEDA-CALABARZON, Regional Physical Framework Plan

Batangas province has a total land area of 316,581 hectares or 3,165.81 square kilometres. It covers about 20 % of the total land area of the CALABARZON and considered as the second largest province in the region. It has a unique cove-like shape coastal areas lying at the south-eastern portion of the province. It consists mostly of moderately sloping to rolling and very steep hills with scattered mountainous areas.

Cavite province has a total land area of 128,755 hectares or 1,287.55 square kilometres, situated at the southern end of the province of Rizal. It covers about 8% of the total land area of the CALABARZON. It is characterized by rolling hinterlands punctuated by hills, with shoreland fronting Manila Bay at sea level, and rugged portion at the boundary of Batangas where Dos Picos mountains are located.

Laguna province has a total land area of 175,973 hectares or 1,759.73 square kilometres. It is the third largest province in the region which covers about 11% of the total land area of the CALABARZON. It is considered as an inland province, which comprises the largest portion of the Laguna de Bay Region where the Laguna Lake lies, the country’s largest inland water and the second largest freshwater in the Southeast Asia. It is characterized with flat and rugged terrain and its slope ranges from level to steep slope.

Quezon province has a total land area of 870,660 hectares or 8,706.60 square kilometres. It is the largest province in CALABARZON which is about 54% of the total land area of the region. On the other hand, it has a rugged terrain with few plains, valleys and swamps. The undulating lowlands along the coast are well drained. The province is very narrow, with average width of about 30 kilometers.

Rizal province has a total land of 130,892 hectares or 3,308.92 square kilometres and about 8% of the total land area of CALABARZON. Its topography is a combination of valleys and mountains, with flat low-lying areas on the western portion, rugged ridges and rolling hills which form part of the Sierra Madre ranges in the eastern portion.



Province Land Area Population Population Growth Rate
 Region 1,622,861  14,414,774 
 Cavite 128,755  3,678,301  3.86 
 Laguna 175,973  3,035,081  2.89 
 Batangas 316,581  2,694,335  2.30 
 Rizal 130,892  2,884,227  3.50 
 Quezon 870,660  2,122,830  1.75 
 Source: NSO CY 2015 Census of Population

Based on 2015 Census of Population, CALABARZON now has 14.4 million residents, the largest in the country. It is has a population density of 850 people per square kilometer. Among the five provinces, Cavite has the biggest population, followed by Laguna province. In terms of population growth rate, the region has a population growth rate of 2.90% for a period of fifteen (15) years from 2000-2015. The province of Cavite has an average population growth rate of 3.86, Laguna with 2.89%, Batangas with 2.30%, Quezon with 1.75%, and Rizal with an average growth rate of 3.50%. As projected by the National Statistical Coordination Board (NSCB), it is expected that by year 2025, the population within Region IV-A will increase up to 16 million.

 Per 2009 Gross Regional Domestic Product, CALABARZON’s economy suffered a reversal of 1.6% in Year 2009 from a 1.9% growth in Year 2008 as the Industry and Agriculture, Fishery, and Forestry (AFF) sectors laid-out negative growth rates while services decelerated. The largest share of the region’s economy in 2009 was from the Service sector with 42.9%, even higher than its share of 41.5% the previous year. The share of the Industry sector, on the other hand, was 38.3%, lower than its previous share of 39.7 percent. The AFF’s share of 18.8% was a slight increase of its 18.7% share the previous year.



Intense variability in climate is currently being experienced all over the country. As a general information, Region IV-A has all the four (4) types of climate: Type I-with two pronounced seasons, dry from November to April and wet during the rest of the year; Type II-no dry season with a very pronounced rainfall from November to April and wet during the rest of the year; Type III-seasons are not very pronounced, relatively dry from November to April and wet during the rest of the year; and Type IV-rainfall is more or less evenly distributed throughout the year. The province of Cavite has two (2) distinct seasons: wet from May to November and dry from December to April. Laguna is relatively dry from November to April and wet during the rest of the year, specifically in the small portion near the southern boundary. The eastern and southern portions of Laguna province have no distinct season but with evenly distributed rainfall throughout the year.

The province of Batangas also has two (2) distinct seasons: dry from November to April and wet during the rest of the year. On the other hand, the province of Rizal is relatively dry from December to May and wet during the rest of the year.

Quezon province has three (3) climatic types: no dry season with very pronounced rainfall from November to January and wet during the rest of the year; not very pronounced season and relatively dry from November to April and wet during the rest of the year; and more or less evenly distributed rainfall throughout the year. 


The Department of Environment and Natural Resources (DENR) through Executive Order  192, Series of 1987 is mandated to be the  government agency primarily responsible for the conservation, management, development, and proper use of the country’s environment and natural resources, specifically forest and grazing lands, mineral resources, including those in reservation and watershed areas, and lands of the public domain, as well as the licensing and regulation of all natural resources as may be provided for by law in order to ensure equitable sharing of the benefits derived therefrom for the welfare of the present and future generations of Filipinos.



A nation enjoying and sustaining its natural resources and a clean and healthy environment.


To mobilize our citizenry in protecting, conserving, and managing the environment and natural resources for the present and future generations.


DENR is tasked to formulate and implement policies, guidelines, rules and regulations relating to environmental management and pollution prevention and control.

DENR has to formulate, implement and supervise the government’s policies, plans and programs pertaining to the management, conservation, development, use and replenishment of the country’s natural resources and biological diversity.

Further, we promulgate and implement rules and regulations governing the exploration, development, extraction, disposition, and use of our forests, lands, minerals, wildlife and other natural resources.

  • To sustain the President’s 0 + 10 Point Socio-Economic Agenda as envisioned in Memorandum Circular No. 12 (Directing the Formulation of the Philippine Development Plan and the Public Investment Program for the period 2017-2022 dated October 24, 2016.
  • Strengthen multi-year focus of the budget, including the acceleration of infrastructure spending from 5% of GDP.
  • Provide full support to the poorest, lagging and most climate vulnerable areas.
  • Strengthen M&E through the Result-based Monitoring, Evaluation and Reporting (RbMER) Policy Framework.

The Department’s thrust and priorities are anchored on a 5-point agenda:

  1. Poverty reduction and hunger mitigation
  2. Socio-economic development
  3. Natural resources conservation
  4. Climate change mitigation and adaptation measures
  5. Environmental education and enforcement

With these, the following are the Ten (10) Priority Programs of the agency:

  1. Clean Air
  2. Clean Water
  3. Solid Waste Management
  4. Geo-hazard, Groundwater Assessment and Responsible Mining
  5. Forest and Watershed Management
  6. Intensified Forest Protection and Anti-illegal Logging
  7. Enhanced Biodiversity Conservation
  8. Scaling up of Coastal and Marine Ecosystem
  9. Improved Land Administration and Management
  10. Manila Bay Clean up

The different development frameworks such as the Sustainable Development Goals under United Nations, Philippine Long Term Vision-Ambisyon Natin 2040, Philippine Development Plan 2017-2022 and the Program for Environment and Natural Resources for Restoration, Rehabilitation and Development (PRRD) are bases of afore-mentioned programs implementation towards “MATATAG, MAGINHAWA AT PANATAG NA BUHAY”.