Background
- China conducted a “rights enforcement patrol” through the waters surrounding the Senkaku Islands (called Diaoyu by China).
Senkaku Islands location
- A group of uninhabited islands in the East China Sea.
- Controlled by Japan; claimed by China (Diaoyu) and Taiwan (Tiaoyutai).
- Close to key sea lanes, rich fishing grounds, and potential oil and gas reserves.

Parties Involved
- Japan (administration since 1972 after the US handover).
- China (asserts historical ownership since ancient times).
- Taiwan (historical claim aligned with China).
Historical Background
- Japan incorporated the islands in 1895 after the First Sino-Japanese War.
- China claims they were historically part of its territory and were taken unlawfully.
- The US administered them after World War II and returned control to Japan in 1972.
Legal and Sovereignty Issues
- No clear international legal resolution; sovereignty remains contested.
- Japan argues: no dispute exists because it holds effective administrative control.
- China argues: historical documents show earlier Chinese usage and naming.
Recent Flashpoints
- Frequent China Coast Guard (CCG) patrols in waters around the islands.
- Japan protests intrusions into what it considers its territorial waters.
- The U.S. has affirmed that the islands fall under the US-Japan Security Treaty.
Why in News?
- China conducted a Coast Guard patrol near the Senkaku/Diaoyu Islands, escalating tensions with Japan following Tokyo’s remarks on responding to a potential Chinese attack on Taiwan.

