What is The Overflow in Clancy of the Overflow by A.B Paterson?

In the poem "Clancy of the Overflow" by A.B Paterson, the term "The Overflow" refers to a vast open expanse of land that is located in the Australian outback. It symbolizes freedom, adventure, and the untamed natural landscape of the bush. Clancy is portrayed as a legendary figure who chooses the simple and unencumbered life of a drover over the constraints of city living.