Late Greek is a term used to describe the Greek language that was spoken during the Byzantine period, which is roughly between the 4th and 15th centuries AD. This form of Greek is also referred to as Medieval Greek or Byzantine Greek. At the time, the language was evolving and changing, incorporating influences from other languages, such as Latin. Other synonyms for Late Greek could include the term Koine Greek, which is the form of Greek that was spoken in the Hellenistic period following Alexander the Great's conquests, or the term Attic Greek, which was spoken in Ancient Athens and is known for its influential literature.