BICOL REGION View the most current zonal valuation data of lands in Bicol Region Revenue Region 10 – Legaspi City RDO No. 64 – Daet, Camarines Norte RDO No. 65 – Naga City RDO No. 66 – Iriga City RDO No. 67 – Legazpi City RDO No. 68 – Sorsogon, Sorsogon RDO No. 69 – Virac, Catanduanes RDO No. 70 – Masbate City, Masbate