Sri Lanka National Hydrographic Office

The National Hydrographic Office (NHO) of Sri Lanka is responsible for providing quality hydrographic data and related services to support sustainable development, protection, and safe use of the country's maritime domain. It offers navigational, hydrographic, and geo-spatial information, products, and services efficiently to meet national and stakeholder requirements. The NHO plays a crucial role in ensuring maritime safety and supporting economic activities related to the marine sector.