Paiisa is a barangay of the philippine municipality Tiaong in the province Quezon
which is part of the Luzon group
Paiisa belongs to the barangays of Municipality Tiaong which are in the outlying area.
The municipality Tiaong with a population of about 87,707 and its 31 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 Paiisa had 4,174 residents.
Other barangays of Tiaong are:
Anastacia (Tagbak), Aquino, Ayusan I, Ayusan II, Barangay I (Pob.), Barangay II (Pob.), Barangay III (Pob.), Barangay IV (Pob.), Behia, Bukal, Bula, Bulakin, Cabatang, Cabay, Del Rosario, Lagalag, Lalig, Lumingon, Lusacan, Palagaran, Quipot, San Agustin, San Francisco, San Isidro, San Jose, San Juan, San Pedro, Tagbakin, Talisay, Tamisian