It is a Peninsula
An area almost entirely surrounded by water is called a peninsula.
A peninsula is a piece of land that is almost entirely surrounded by water. An antonym for peninsula would be bay, as a bay is a body of water that is almost entirely surrounded by land.
a peninsula... it is surrounded by water on three sides but has land on the fourth... example: Florida
An island is a piece of land entirely surrounded by water.
If it is a country surrounded by land and so having no coast, it is said to be landlocked. An open of land area surrounded by a forest is called a glade or meadow. You can have valleys and basins in terms of geographical forms of land surrounded by other kinds of land.
Asia/Europe, as they are connected? so they are not Entirely surrounded.
Islands are surrounded by water, while "landlocked" areas are completely surrounded by land. Additionally, peninsulas are strips of land that are almost entirely surrounded by water but are still connected to main land.
An island is a piece of land surrounded by sea. A peninsula is piece of land that sticks out into water.
A body of water almost completely surrounded by water is called an ocean. Oceans will often run into each other.
PEI
Don't really understand if you want the name of a land surrounded by water (Australia) or if you want to know what land surrounded by water is called (island) :D
An island