Overview
Quirino, officially the Province of Quirino, is a landlocked province in the Philippines located in the Cagayan Valley region in Luzon. Its capital is Cabarroguis while Diffun is the most populous in the province. It is named after Elpidio Quirino, the sixth President of the Philippines.
Geography
Quirino is one of the 82 provinces of the Philippines. Cited factual data on capital city, population, and area is sourced from Wikipedia and Wikidata structured properties. The province's boundaries, terrain, and notable geographic features are documented in the Philippine Statistics Authority (PSA) Census of Population and Housing.