Hyderabad: China is the only country across the world that has disputed territorial claims with nearly all of its neighbours. Beijing's claims are based on its belief, not on treaties. Probably, it's the only country that lays sovereignty over an independent nation - Taiwan.
Dragon's claim trail begins from South-China Sea -- islands in East Asia disputed between multiple countries -- where Beijing has made Navy base, artificial islands and other massive infrastructure.
China- Philippines
Beijing claims a large portion of the South China Sea - territorial and maritime both. China has made Naval base, artificial islands and other massive infrastructure on the South China Sea.
China-India
Rejecting the McMahon Line, Beijing occupied 38,000 sq km of Indian territory during the 1962 war. China also lay claim over Ladakh and Arunachal Pradesh.