World Hydrography Day

Celebrated on 21 June

• Theme : Hydrographic Information – Enhancing Safety, Efficiency and Sustainability in Marine Activities.
• Aim : to raise awareness on the importance of hydrography in improving our knowledge and understanding of the seas and oceans.
• It was adopted by the International Hydrographic Organisation (IHO).

ABOUT IHO

• The International Hydrographic Organization (IHO) is an intergovernmental organization that works to ensure the world’s seas, oceans and navigable waters are properly surveyed and charted.
• Established in 1921
• Headquarters –