East China前要加定冠词the吗?

East China前要加定冠词the吗? The East China Sea is ( ) (around,east) of Chongming Island. China is ( ) the east of Asia. Hangzhou is in the east of China taiwan is ____ the east of china? Shanghai is ____ the east of China. East China,in eastern China,in the east of China究竟有何区别? in east China 和 in East China 和 in eastern China 和 in the Ea in eastern China=in the east of China? Japan is ( ) the east of China while China is ( ) the east o 专有名词前要加定冠词the Shanghai is ____________.A.on east China B.to the east China