On 1 January 2009, euro banknotes and coins were successfully introduced in Slovakia – the sixteenth Member State of the European Union to adopt the euro. Until 16 January 2009, it will be possible to pay in cash using either euro or Slovak koruna banknotes and coins. However, change will only be given in euro. Thereafter, the euro will be the sole legal tender. An information campaign has been run to inform Slovak citizens of the visual elements of the euro banknotes and coins, their security features and the modalities for their introduction in Slovakia.