Synonym of somewhere else: a place other than here.
"She decided to look for a quiet café elsewhere since the lobby was too crowded."
In plain English: Elsewhere is a place other than where you are right now.
"The search for resources elsewhere yielded no new results after we exhausted our local options."
Usage: Use "elsewhere" primarily as an adverb to mean in or to another place, rather than as a noun. Although it can function nominally in phrases like "travel elsewhere," standard usage prefers the adverbial form for indicating location.
Synonym of somewhere else: in, at, or to some other place.
"We decided not to look for the lost keys here and instead searched elsewhere."
In plain English: Elsewhere means somewhere different from where you are right now.
"She looked for her keys everywhere else in the house before finding them on the kitchen counter."
Usage: Use elsewhere as an adverb to indicate that something exists or happens in a different location than the one previously mentioned. Place it after the verb or auxiliary verb when referring to an unspecified alternative destination.
Elsewhere comes from the Middle English phrase elswher, which combined the words for "other" and "place." This term traveled into modern English by merging these two concepts to mean a location different from the one being discussed.