Valenzuela City is located in the Philippines' National Capital Region of Metro Manila, with approximately 565,000 residents in 32 barangays, which are divided into two Congressional districts. It was formerly a town in the province of Bulacan called Polo, which was established in 1623.
It has a land area of about 45 square kilometers. The city is bordered by Quezon City and northern Caloocan City to the east; Malabon City and southern Caloocan City to the south; Obando in Bulacan province to the west; and Meycauayan City, also in Bulacan province, to the north.
Its global position is between 14"39' N latitude and 120"54' and 121"02 E longitude. Highest elevation point is 38m above sea level, average elevation of 2.0m above sea level, with a surface gradient of 0.55%. The slope is level to gently undulating.
Valenzuela has a total land area of 4,459.4 hectares, or 44.59 square kilometers. With a population of 561,992 as of the year 2006 and a Population Density (2006) - 11,582/ sq.km
Valenzuela obtained cityhood status on February 14, 1998. The city, considered the northern gateway to Metro Manila, is today a vibrant, highly-urbanized industrial and residential suburb of the Philippines capital.