Unnamed lake
An unnamed lake is a body of water with no official nor generally agreed upon name. Such a lake is officially nameless though it may have one or more unofficial names used locally. This is common for many tiny lakes, farm ponds, and minor lakes in remote areas.Designated
A lake designated as unnamed can be distinguished from a lake actually named Unnamed Lake by its capitalization. Some lakes named the latter are:
A Russian equivalent is various geographical features named Безымянный and similar.