GEOGRAPHY THROUGH MAPS

Gulf of Tonkin

The Gulf of Tonkin lies between northern Vietnam and southern China, west of Hainan. It forms the northwestern arm of the South China Sea.

Fast Facts

  • Vietnam lies west and China north and east.
  • The Red River delta reaches the gulf in northern Vietnam.
  • Hainan helps separate the gulf from more open South China Sea waters.
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Connected lessons

Geographical connections

Part of Visualize CSE, an interactive geography atlas for UPSC Civil Services (IAS) preparation.