San Andres, a coastal municipality and the second largest town of the province of Catanduanes, is situated 18 kilometers northwest of Virac, the capital town of the province. San Andres is bounded on the north by the municipality of Caramoran; on its eastern portion by the municipality of Virac; on the northwest by the Maqueda Channel; and on the south and southwest portion, by the Lagonoy Gulf, separating the island province from the mainland of Bicol Region at an average of 40 miles.
More specifically, however, San Andres’ geographical location has the following orientation in terms of coordinates: 124 ͦ⁰ 11’ 15” to 124⁰ 9’ and 27” longitude and 13⁰ 33’ and 23” to 13⁰ 47’ and 9” latitude with agreat part of its latitudinal area lying along MAqueda Channel and Lagonoy Gulf.
Although lying along great bodies of water, this Municipality is predominantly mountainous. Of its total land area of 20,260 hectares – 5,32.70 hectares or 27.81% is Agricultural Area, 2.815.30 hectares or 13.90% is an Open Grass Land Area, 10,570.00 hectares or 52.17% is the Forest Area and 742.00 hectares or 3.66% is the swamps/marshesarea.The land elevation of the area varies from zero level to about 800 meters (peak) above sea level. Its poblacion lies along the Lagunoy Gulf and occupirs a nearly flat jarea. This treversed by only one major road linking the Municipaloty of Caramoan on the North and Virac on the east.
LAND AREA BY BARANGAY AND DISTANCE FROM POBLACION
The municipality of San Andres has thirty eight (38) barangays, eight (8) urban and thirty (30) rural barangays, 24 are lying along the coast and a great majority of these are also connected by one road. Road building and other connectiosn routes from one barangay to another is very much restricted by the steep and mountainous profile of the area. Listed below are the official ane and their respective legal basis and dates of creation:
NUMBER OF LEGAL BARANGAYS