The North is the main region for trekking and adventure travel with its forested mountains, and Chiang Mai reached No. 6 in the 2012 list. “International tourism is on the rise in Asia, “said Rajiv Malhotra, head of marketing. Southeast Asia, Hotels.com. “Looking forward, two mega-trends are affecting Asia positively in 2013 and beyond: the continued rise of Chinese outbound travellers and the increase in low-cost carriers across Asia. China stayed top of the source coun-tries, followed by Malaysia, Japan, Russia and South Korea.