Whereabouts (noun)

1. The location or place where someone or something is or can be found.
2. The general area or region in which someone or something is located.

Origin:

From where + about(s) (adverbial form of the word "abou.t")

Examples:

1. He was unsure of her whereabouts.
2. The whereabouts of the stolen painting are still unknown.
3. The whereabouts of the missing person are still being investigated.
4. He asked about her whereabouts but she didn't want to tell him.
5. She couldn't remember the whereabouts of her keys.