This article provides an overview of the Polish złoty, the official currency of Poland. It explains the history of the currency, its current value, and how it is used in the country today. Additionally, it provides an overview of the different types of coins and notes that are available
From Wikipedia
The złoty is the official currency and legal tender of Poland. It is subdivided into 100 groszy (gr). It is the most-traded currency in Central and Eastern Europe and ranks 20th most-traded in the foreign exchange market.