Cabiao, officially the Municipality of Cabiao, is a 1st class municipality in the province of Nueva Ecija, Philippines. According to the 2020 census, it has a population of 85,862 people. Cabiao is the 3rd most populous, one of the richest, and fastest growing municipality in the province, only behind Talavera and Guimba. If cities are included, the town ranks 6th.

Kapampangan, Capampáñgan, or Pampangan is an Austronesian language, and one of the eight major languages of the Philippines. It is the primary and predominant language of the entire province of Pampanga and southern Tarlac, on the southern part of Luzon's central plains geographic region, where the Kapampangan ethnic group resides. Kapampangan is also spoken in northeastern Bataan, as well as in the provinces of Bulacan, Nueva Ecija, and Zambales that border Pampanga. It is further spoken as a second language by a few Aeta groups in the southern part of Central Luzon. The language is known honorifically as Amánung Sísuan.