Not one, not two, but Japan has revealed that it has 7,000 more islands compared to what he thought he had before.

Digital mapping by Japan’s Geospatial Information Agency (GSI) recently found that there are 14,125 islands in Japanese territory, more than double the 6,852 officially known from a 1987 report by the Japanese coast guard, according to CNN.

However, the GSI this week stressed that the new data reflects advances in surveying technology and the details of the maps used for the count.

The Authority pointed out that while there is no international agreement on how to count the islands, the same criterion was used in this count, of the same size as the previous survey conducted 35 years ago. It is also clarified that the new number of islands does not include any artificially reclaimed land.

The islands surrounding Japan have been at the center of many territorial disputes.

Japan claims the South Kuril Islands held by Russia, which Tokyo calls the Northern Territories, a dispute dating back to the end of World War II, when Soviet troops seized them from Japan.

Japan also claims to have a historical claim for the uninhabited Senkaku Islands in East China Sea, which it currently manages, but China has repeatedly disputed this claim.