• 
• National Geographic Information Institute
• https://www.ngii.go.kr/eng/main.d..

• 
• Dokdo of Korea
• http://k-dokdo.com/english/index...

• 
• DOKDO Research Institute
• http://www.dokdohistory.com/eng/m..

• 
• ULLEUNG-GUN
• https://www.ulleung.go.kr/mdokdo/..

• 
• DOKDO MUSEUM
• https://www.dokdomuseum.go.kr/eng..

• 
• Dokdo Information System
• https://www.dokdo.re.kr/home/main..

• 
• Korea Hydrographic and Oceanographic Agency
• https://www.khoa.go.kr/eng/Main.d..