High Quality Content by WIKIPEDIA articles! The City of Valenzuela is a highly-urbanized, first-class city and one of cities in the Philippines that constitutes Metro Manila. The city has 568,928 residents as of August 2007 and is primarily an industrial and residential suburb of Manila. The North Luzon Expressway passes through the city and out of Metro Manila into the province of Bulacan. Valenzuela has a land area of 44.59 km2 divided into several domain: residential, industrial and cultural. It is bordered by Meycauayan City, Quezon City and northern Caloocan City to the east; by Obando in Bulacan to the west; by Malabon City, southern Caloocan City and Tullahan River to the south.