Six properties on the resort island of Langkawi made it into the list of TripAdvisor's Top 25 Travellers' Choice Exceptional Service award winners for Malaysia.

They are Casa del Mar, Danna Langkawi, Datai Langkawi, Tanjung Rhu Resort, Four Seasons Resort and Rebak Island Resort.

In a statement, TripAdvisor, the world's largest travel site, said the exceptional service award winners were determined based on the millions of reviews and opinions of TripAdvisor travellers worldwide, taking into account the quality of reviews and ratings for service.

Other hotels featured in that category included top-placed Seven Terraces in George Town, Shangri-La Hotel Kuala Lumpur, Majestic Malacca, Mandarin Oriental Kuala Lumpur, Banjaran Hotsprings Retreat in Ipoh and LimeTree Hotel in Kuching.

The Hanoi Serene Hotel in Hanoi, Vietnam clinched the top spot on the list of the Top 25 Hotels for Service in Asia.