Yeh Kahan Hai - यह कहाँ है - Where is this Woh kahan hai = Where is that Yeh - This (U might also here Ye) Kahan = where hai- is Woh = that (U might also here Wah वह )

कहाँ है : kaha hai......thats all dear.

" Yeh Kahan Hai "

yehe kaha hai

you can also say " ye kidhar hai"