Japanese media reported that the administrative area covers the Jianye Island (China -called Diaoyu Islands), Japan, Ishigaki City, Okinawa Prefecture, and plans to conduct marine investigations around Jiange.This is the second investigation after January last year.

According to the Kyodo News Agency, the Ishigaki Municipal Government plans to go out from Ishigaki Island on Friday (January 27) to conduct an investigation from Saturday (28th).

Ishigaki Municipal Government said that the city commissioned Donghai University to investigate, and the city council members and others will also take a boat.In order to environmental protection and the use of the sea area, the water quality will be taken from the seawater, and the garbage flows floating at sea will be confirmed.

The first marine investigation was implemented on January 31 last year.

It is reported that in October 2020, Ishigaki City's address changed the address of the Jianye Island from "Dengye City" to "Dengyan City Tsimogu".In September 2021, in order to set up an administrative bid for the five islands such as Yuyu Island and applied to the Japanese central government for boarding the island, but the central government did not approve the reason that "in principle did not allow non -governmental persons to land on the island".

Japan and China have sovereignty disputes on islands on Jiange.China regularly dispatched vessels and planes into the island, causing dissatisfaction among the Japanese government.