Caloocan is one of the cities that comprise Metro Manila, the National Capital Region of the Philippines. Located north to northeast of Manila, Caloocan is the country's third most populous city with a population of 1,489,040 as of the 2010 census. Wikipedia

Valenzuela, officially known as the City of Valenzuela or simply Valenzuela City, is the 119th largest city of the Philippines and one of the 16 cities plus a municipality that compose the region of Metro Manila, located about 14 km north of Manila. Wikipedia