A place where foreign currency is exchanged for local currency, such as exchange counters at airports or shops.
空港の両替所は24時間営業しているところもある。
Some exchange counters at airports are open 24 hours.
両替所でパスポートの提示を求められた。
I was asked to show my passport at the exchange office.
暗い路地の両替所はレートが悪いことが多いので注意したほうがいい。
Be careful: exchange booths in dark alleys often have bad rates.