Greek tragedy in literature refers to a form of drama from ancient Greece that explores serious and often moral themes through the experiences of a tragic hero. These plays typically involve a protagonist who faces a downfall due to a fatal flaw or error in judgment, leading to their ultimate demise. Greek tragedies often depict themes such as fate, hubris, and the complex relationship between humans and the gods. Some well-known examples of Greek tragedies include works by playwrights like Sophocles, Aeschylus, and Euripides.