[Grammar] Where = (to) which/what place

[kadioguy]

Where are you going?
(Where = to which/what place)

Where have you come from?
(Where = which/what place)

https://www.ldoceonline.com/dictionary/where
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Where's the party at?
(Where = which/what place)

Where to, Miss? [=what place do you want to go to?]
(Where = which/what place)

http://learnersdictionary.com/definition/Where

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Blue parts are my thoughts. Are they OK?

 

[Tarheel]

Yes.