Liang is a barangay of the philippine municipality Irosin in the province Sorsogon
in Bicol Region
which is part of the Luzon group
Liang belongs to the barangays of Municipality Irosin which are in the outlying area.
The municipality Irosin with a population of about 49,968 and its 28 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 Liang had 789 residents.
Other barangays of Irosin are:
Bacolod (Pob.), Bagsangan, Batang, Bolos, Buenavista, Bulawan, Carriedo, Casini, Cawayan, Cogon, Gabao, Gulang-Gulang, Gumapia, Macawayan, Mapaso, Monbon, Patag, Salvacion, San Agustin (Pob.), San Isidro, San Juan (Pob.), San Julian (Pob.), San Pedro, Santo Domingo (Lamboon), Tabon-Tabon, Tinampo, Tongdol