The Romanian leu is the official currency of Romania, abbreviated as RON. It is subdivided into 100 bani. The leu has been in use since the 19th century and has undergone several changes, including redenominations to stabilize the economy. The currency symbol for the leu is "lei," and it is issued by the National Bank of Romania. Banknotes come in various denominations, featuring notable Romanian figures and cultural symbols, while coins are available in smaller denominations. The leu plays a crucial role in Romania's economy and international trade.