What is interest and what are interest rates?

In our everyday lives, we are regularly confronted with terms that carry "interest" in their names. But what exactly are interest rates and what influence do they have? We want to get to the bottom of the most important interest terms and economic interrelationships in this explanatory film.

Note: Croatia joined the euro area on 1 January 2023. Since then, the euro area has comprised 20 countries.