Does the theme support multi-currency and multi-language setups so I can target international guests and still manage everything from one backend?

WPRentals multi-currency and multi-language support

Yes, WPRentals supports both multi-currency and multi-language so you can work from one backend. You run a single WordPress site, connect WPML or Weglot, and enable the built-in multi-currency widget so prices show in the visitor’s own money. Bookings, invoices, and owner tools still stay in one dashboard, so you are not juggling several sites […]