Diu is island situated slightly off the coast of Kathiawad near the Port of Veraval in Gujarat with a coastal length of 21 kms. and is at a distance of about 768 kms. from Daman, the Capital of the newly formed Union Territory of Dadra & Nagar Haveli and Daman & Diu.
Diu is bounded by Gir-Somnath and Amreli District of Gujarat in the North and by the Arabian Sea from three sides. It is connected to the mainland via two bridges.
The district of Diu is situated between the parallels 20°-44′-34” and 20°-42′-00” of latitude north and between the meridians 71°-00′-24” and 70°-52′-26″ of longitude east of Greenwich. Its length from the extremes north and south, measures 4.6 kms and width from east to west measures 13.8 kms. The altitude is 6 meters above sea level. The topography is generally plain. The hillocks attain maximum height of 30 metres.
The nearest railway station is Delwada at the distance of 9 kms. from Diu. But important trains are linked with Veraval which is 90 kms. from Diu. A portion of Diu District is on main land which is named as Ghoghla. A small part of Diu known as Simbor is situated in Gujarat at a distance of 25 kms. from Diu.