BALIUAG, a municipality (with administration centre and 17 barrios or districts) of the province of Bulacan, Luzon, Phil ippine Islands, on the Quingua river, 29m. (by rail) N.N.W. of Manila. Pop. (1918), 18,254, of whom 8,892 were males (no whites). Balivag is served by an extension of the railway between Manila and Dagupan. It is the trade centre of a rich agricultural district, and manufactures bamboo hats, silk, and native fibre goods. It is a centre also for tanning, fish breeding, distilling of alcohol, and furniture making, and has rice and sugar mills. In 1918 it had 27 manufacturing establishments, with an output valued at 199,500 pesos, beside 1,869 household industry estab lishments with output valued at 390,00o pesos. It had six schools. The language is Tagalog.