Application documents shall be filed to the Regional Immigration Services Bureau with jurisdiction over the location of accepting organization or your intended place of residence.
As of April, 2022, there are 17 Regional Immigration Services Bureau / Immigration Center / Branches in Japan, and each institute has local offices in its area of jurisdiction.
It shall be noted that some institutes do not accept the application of COE. Therefore, it is recommended to check, in the following WEB page, the available services of each institutes before you visit.