The additions come as the line reports increasing demand in bookings for next year.
The new sailings include the 12-Day Majestic Mekong, an eight-day river cruise along the Mekong, as well as a tuk-tuk tour of the streets of Phnom Penh in Cambodia.
The 12-day journey calls at Phnom Penh, Tan Chau, Long Khanh Island, Long An, My An Hung, Sa Dec, Cai Be and Ho Chi Minh City. Prices start from £2,695pp departing 24 August 2023 onboard Emerald Harmony.
On the 11-Day Grand Danube, guests can experience guided bike tours with views of the Austrian Danube, the imperial palaces of Vienna, bathhouses in Budapest and a new port of call in Weissenkirchen.
The river cruise calls at Passau, Linz, Weissenkirchen, Bratislava, Budapest, Novi Sad and Belgrade. Prices start from £2,945pp departing 28 March onboard Emerald Star.
The 11-Day Gems of the Arabian Peninsula with Doha includes a three-night stay in Doha, then a sailing to Sir Bani Yas Island to explore its beaches.
Guests can experience a guided tour of the Louvre Abu Dhabi, the Sheikh Zayed Grand Mosque, the Fujairah markets and Zighy Bay.
The cruise onboard Emerald Azzurra sails to Doha, Abu Dhabi, Khasab, Fujairah, Zighy Bay, Dubai and Sir Bani Yas Island.
Prices start from £5,159pp for travellers booking on the 31 December 2022 departure, which includes a 35% saving and a complimentary drinks package.