Plato's famous philosophical work that envisioned a utopia was called the histories the perfect the republic the end

Plato's famous philosophical work was called The Republic. In this seminal work Plato, who was a famous Greek philosopher from the antique times, he was describing how a utopia in the form of a country would look like. His work is still being read tody and is considered an important piece of intellectual work in some aspects. 

Corruption i think