If you are in Finland and you want olive oil, in almost every supermarket you will find a wide range of products. Normally from Italy and Greece. But I recommend you this one: ArteOliva, from Córdoba Spain. You can find it in S-Market and (I think?) K-Market. It’s a medium-soft-taste olive oil, very good for salads. I didn’t notice much difference between these 2 variants:
The (really) ugly cardboard package maintains the properties of the oil better, because it doesn’t let in the light.