Sri Lanka Rupee is the currency of Sri Lanka. It is abbreviated as LKR and is regulated by the Central Bank of Sri Lanka. But there are other words that are used to refer to the currency of Sri Lanka such as Rs., SLR, Lankan Rupee, and Sri Lankan Rupee. These words have become synonyms for Sri Lanka Rupee and are widely used in everyday conversation. The Lankan Rupee is available in four denominations- Rs. 10, Rs. 20, Rs. 50 and Rs. 100 and is an important currency in the South Asian region. The Sri Lanka Rupee has seen fluctuations in its value in recent years due to changing global economic conditions.