where in the world
"She promised to find him wherever he might be in the world."
An emphatic form of where.
"Wherever you go, I will follow you to the ends of the earth."
In plain English: Wherever means no matter what place you are at.
"She followed him wherever he went, even to the party."
In or to whatever place; anywhere.
"She decided to stay wherever she could find a quiet corner to read her book."
Wherever is formed by combining the word where with the suffix -ever, which functions to mean "no matter what." This construction creates an adverb indicating any place or situation without restriction.