The operator will offer 70 departures across five itineraries from May to October 2022.

Itineraries will run for eight days, taking into in the Dalmatian coast from Dubrovnik and Mostar in the south to Split and Croatia’s northern islands.

An additional six sailings will be reserved for solo travellers.

Each sailing can accommodate up to 40 guests, with every departure set to be accompanied by a specialist tour manager.

A range of regional return flights are available.

Besides the historic cities of Dubrovnik, Mostar (in Bosnia & Herzegovinia) and Split, where guests will visit Diocletian’s palace, a number of itineraries will feature travel to Croatia’s famous Blue Cave, Krka Valley National Park and Unesco World Heritage Site, Trogir.

There will also be swim stops in various island locations.

Sailings will take place along the Dalmatian coast, the Neretva river delta, and the wider Adriatic.

The five itineraries are: Dubrovnik, Split and the Jewels of the Dalmatian Coast; Split, Zadar and Secrets of the North; Dubrovnik, Mostar and the Secrets of Dalmatia; Split, Dubrovnik and the Splendours of Dalmatia (includes solo options); and Split, Rab and Undiscovered Islands of the North (includes solo options).

Prices lead in from £1,499pp, including tours, visits and port taxes.

All yachts used by Riviera have been specifically designed to sail in Croatian waters. They have a restaurant, bar, complimentary WiFi and 24/7 self-serve tea and coffee machine. Facilities include a sun deck with jacuzzi and swim platform.

Katja Hildebrandt, Riviera’s head of river cruising, said: "We can’t wait to welcome guests onboard our magnificent yachts as they are perfect for a relaxing getaway. The Adriatic is the ideal destination for an overseas holiday as it’s a wonderful combination of picturesque calls, historic locations and spectacular backdrops.

"With international travel opening up, now is the perfect time for agents to set their customers’ sights on one of our luxury yacht escapes."