Klondike back on page 2, posst 11 you posted this pic,
I´m pretty sure (99%) Balaton, south side about the middle, where the lake is narrow. Tesco, a Uk company also has more stores in Hungary than in the UK!
Can I also draw your attention to
https://forum.oneclickchicks.com/show...=danish+hottie
this is from a thread that Alfonso started way back in 2005. This looks (though Alfonso could confirm ) to be near Siofok at the east end of the lake. The promenade backed by grass (sometimes with a hedge) is very common on public and hotel beaches.