Greek coins are a form of currency used in Greece and other parts of the world. The most common Greek coins are Euros, Lepta, and Obols. Euros are the official currency of Greece and the European Union, and are divided into 100 cents. Lepta are the smallest denomination of Greek coins, and are worth one thousandth of a Euro. Obols are an ancient form of Greek currency, and were used in Ancient Greece and Rome. They are worth one sixth of a drachma.