/ 14.583; 121 Largest city Quezon City Official language(s) Filipino English Recognised regional languages Bikol , Cebuano , Hiligaynon , Ilokano , Pampango , Pangasinense , Tagalog , Waray [ 3 ] Optional languages a Spanish and Arabic [ 4 ] National language Filipino Ethnic groups   92% Malayo-Polynesian 5% Chinese 2%