Claveria is a philippine municipality in the province Cagayan in Region II Cagayan Valley which belongs to the Luzon group of islands. The municipality Claveria is seated about 129 km north-west of province capital Tuguegarao City and about 447 km north of Philippine main capital Manila.
Claveria is a 3rd class municipality. Regarding urbanization Claveria is classified as partly urban. Claveria occupies an area of 194.80 km². By the end of 2007 Claveria was the home of 30,275 residents. Thus by average 155.42 people are living on one km².
Administratively the Municipality of Claveria is subdivided into 41 barangays. 2 compose the center of the city wheras the other 39 are in the outlying areas. Some of them are even several kilometers away from the center of the Municipality. The most populous are San Isidro, Buenavista, Santo Niņo (Barbarnis), San Antonio (Sayad*/Bimekel*), Camalaggoan/D Leaņo, San Vicente, Santiago, Bacsay Cataraoan Norte, Bacsay Cataraoan Sur, Luzon, Nagsabaran, Santo Tomas, Tabbugan, Bacsay Mapulapula, Lablabig.
Among the bigger cities and municipalities in the neighborhood of Claveria there are Aparri 73 km east-south-east, Lasam 81 km south-east, Gattaran 84 km south-east, Lal-lo 76 km south-east, City Of Batac (Ilocos Norte) 82 km south-west, Laoag City (Ilocos Norte) 70 km south-west, Alcala 98 km south-east, San Nicolas (Ilocos Norte) 73 km south-west, Dingras (Ilocos Norte) 68 km south-west as well as 51 km east-south-east of Claveria the municipality Ballesteros.