Hello :) Lesser Prespa is already mapped and named, please see https://www.openstreetmap.org/relation/1895034 Thanks.

As there is no new information to add or something to correct, I will mark this note as resolved.

If you want to create a shareable personal map, highlighting points of interest to you, with an OpenStreetMap background, you can use https://umap.openstreetmap.fr/en/

