Croatia not well delimited

Is it possible to update the polygon of Croatia ?
Example of city that should be inside Croatia : Zaton (42.6922, 18.039873)

https://www.google.com/maps/place/42%C2%B041'31.9%22N+18%C2%B002'23.5%22E/@42.6970208,17.1141446,8z/data=!4m5!3m4!1s0x0:0x0!8m2!3d42.6922!4d18.039873?hl=fr