CALABARZON

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Region IV-A
CALABARZON

Regional center	Calamba City, Laguna
Population	9,320,629
– Density	574.3 per km²
Area	16,228.6 km²
Divisions
Provinces	5
Cities	11
Municipalities	131
– Barangays	4,012
– Cong. districts	19
Languages	Tagalog, Filipino, English, others

CALABARZON is one of the regions of the Philippines. It is also designated as Region IV-A and its regional capital is Calamba City in Laguna. The region is composed of five provinces, namely: Cavite, Laguna, Batangas, Rizal, and Quezon. The region's name is an acronym of the names of these provinces.

The region is located in southwestern Luzon, just south and west of Metro Manila and is the second most densely populated region.

CALABARZON and MIMAROPA were previously combined together as Southern Tagalog, until they were separated in 2002.

Executive Order No. 246, dated October 28, 2003, designated Calamba City as the regional center of CALABARZON.

Political Divisions

Province		Capital	Population (2000)	Area (km²)	Pop. density (per km²)
	Batangas	Batangas City	1,905,348	3,165.8	601.8
	Cavite	Trece Martires City	2,063,161	1,287.6	1,602.3
	Laguna	Santa Cruz	1,965,872	1,759.7	1,117.2
	Quezon	Lucena City	1,463,030	8,706.6	171.7
	Rizal	Antipolo City	1,707,143	1,308.9	1,304.3
	Lucena City¹	—	196,075	N.A.	N.A.