"Its not at the middle of the sea!"
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: mucahitler gazonusu
POI types: tourism-artwork
OSM data version: 2019-02-18T15:57:02Z
#mapsme

"RİVA DERESİ"
POI name: River Deresi
POI types: waterway-riverbank
OSM data version: 2019-02-18T15:57:02Z
#mapsme

"Gerçek adı KARA DERE olarak geçer. İsim bu yüzden yanlış."
POI name: Koca Çayı
POI types: waterway-river
OSM data version: 2020-05-14T01:25:26Z
#mapsme