روابط
الوزارات الحكومية
- Prime Minister of Japan and his Cabinet
- Office of Policy Planning and Coordination on Territory and Sovereignty, Cabinet Secretariat
- Japan Coast Guard
- Ministry of Defense
- Ministry of Land, Infrastructure, Transport and Tourism
- Geospatial Information Authority of Japan
- Ministry of Education, Culture, Sports, Science and Technology
لحكومات المحلية
معلومات اليابان
