Cumadcad is a barangay of the philippine municipality Castilla in the province Sorsogon
in Bicol Region
which is part of the Luzon group
Cumadcad belongs to the barangays of Municipality Castilla which are in the outlying area.
The municipality Castilla with a population of about 49,407 and its 34 barangays belong to the partly urban areas in the Philippines. While some of the barangays developed modern urban structures, some others, especially those which are seated in the outlying areas, remained rural. By the end of 2007 Cumadcad had 6,421 residents.
Other barangays of Castilla are:
Amomonting, Bagalayag, Bagong Sirang, Bonga, Buenavista, Burabod, Caburacan, Canjela, Cogon, Dangcalan, Dinapa, La Union, Libtong, Loreto, Macalaya, Maracabac, Mayon, Maypangi, Milagrosa, Miluya, Monte Carmelo, Oras, Pandan, Poblacion, Quirapi, Saclayan, Salvacion, San Isidro, San Rafael, San Roque, San Vicente, Sogoy, Tomalaytay