“How so?” in Greek

Ioanna T. is a Greek citizen who has lived in Greece for over 20 years. Her favourite Greek-based movie is The King; her favourite Greek food is Σουτζουκάκια (Soutzoukakia); and her favourite place to visit in Greece is Sigri on the island of Lesvos (a village on the same island she was born & raised) because of its "unique atmosphere".