Hydrographic Office of the Polish Navy (BHMW/HOPN) is a service supporting the Navy in terms of navigation, hydrography, meteorology, and oceanography.

At the same time, HOPN plays the role of the National Hydrographic, Aids to Navigation and Nautical Cartography Service. Its main responsibilities, HOPN carries out:

• Coordinating hydrographic surveys, conducted by the Naval Hydrographic Service in the Polish Maritime Areas,
• Editing nautical paper charts, Electronic Navigational Charts (ENC), and nautical publications,
• Maintaining the Navigational Warnings and Maritime Safety Information System.

The above responsibilities comply with the stipulated for National Hydrographic Services in resolutions adopted by the International Hydrographic Organization (IHO) and International Maritime Organization (IMO). HOPN represents Poland in the organizations.

Organized in Departments and Sections, HOPN’s operations and responsibilities are exercised and governed by a set of basic documents, with the most important being the Hydrographic Office of the Polish Navy. The Scope of Responsibilities. For more details, see: About Us -> Organization.