Ideas for dividing and planning an apartment

That would have been my suggestion from the beginning: kitchen in the niche, table next to it.

Regarding kitchen planning: weren't the water connections exactly where you now have the cooktop? This may need to be replanned if the connections are to remain as they are.

yes, the arrangement of the kitchen does not fit, of course, and serves as a placeholder.
the bottom wall in the plan must be modified anyway, because the apartment actually has 120m² and where the dining table is, there is a passage.

here is another version:

I like the other one better, but if you want to enlarge the bathroom as previously suggested (shower where the entrance door to the living room is now), then that is a good option.

Yes, the bathroom actually needs to be bigger. Well, we'll see. I quite like both options for a holiday apartment.

I think the last one is the best now. In my opinion, you don't really need a wardrobe the size of the one currently there in a holiday apartment, and the layout is ideal, I would say. Bonus: bigger bathroom.

yes, that's true. I need to see how much each option costs and what remains from the sale of the other apartment.