Question

A place surrounded by sea from three sides

Answer 1

Tamil nadu - Bay of bengal, Indian ocean, Arabian sea

 
I think it is right

Answer 2

Peninsula
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A place surrounded by sea from three sides is a peninsula.

A peninsula is a geographical land form which is surrounded by water on its three sides.

One example of a peninsula is India.

India has water on three sides namely

• Bay of Bengal on the east

• Arabian sea on the west

• Indian Ocean on the south .

A island is a place surrounded by water on all sides. Some examples : Andaman & Nicobar islands.

Therefore, A place surrounded by sea on three sides is Peninsula.

Hope helped!