Website: https://www.asiatouradvisor.com/vietnam-cambodia-tours/trip-vietnam-and-cambodia/. Embark on an Incredible Vietnam & Cambodia Tour: 12 Day Experience! Explore Hanoi's charm, sail through Halong Bay, visit Angkor Wat temples, and soak in Phnom Penh's vibrant vibe. Phone: 0948144144. Address: 69 P. Quán Thánh, Quán Thánh, Ba Đình.