travel destination; place one is staying while traveling
Refers to the place one goes to or stays at during a trip. Can be used for both the destination itself and the accommodation.
旅行先から絵葉書を送った。
I sent a picture postcard from my travel destination.
I ate a lot of delicious food at the place I was staying during my trip.
Compound of 旅行 (travel) + 先 (destination, place).