Google data shows that Vietnam paired with Cambodia is the most popular combination for UK residents who have been researching their favorite multi-country holiday destinations in the past 12 months shows. This is followed by Sri Lanka and the Maldives, joint second with New Zealand and Australia.

Both Vietnam and Cambodia are home to centuries-old temples, an array of UNESCO World Heritage Sites, and an abundance of ultra-fresh cuisine that make combining the two countries ideal for history and culture lovers alike.

And yet, despite being right next to each other, they have very different landscapes.

Full top 5 list of most popular multi-country destinations: