Romance where a single mom moves and runs a thrift store. Might be Greece?

My mom really wants this movie which I apparently gave to her but she can’t remember the title of (And I’ve NEVER seen it!).

In it, a single mom with a son moves from Germany to Greece (I have very little confidence that she has the locations correct, but she insists it’s a very colorful place). She runs a thrift store. Apparently the father of her son is married by the time she comes back, so she ends up flirting with his younger brother. FYI, my mom doesn’t know English very well…

Sounds like Ein Sommer auf Zypern:

The plot reads fairly close to your description: Ein Sommer auf Zypern - Kritik zum Film -