Vietnamese tourists favor Laos as their second most popular Southeast Asian destination VnExpress Within ASEAN, Thailand leads in visitor numbers to Laos with over 733,000 arrivals, followed by Vietnam with over 589,000.
First Vietnam-Laos transboundary world heritage site designated VnExpress Vietnam and Laos have their first transboundary world heritage site, "Phong Nha - Ke Bang and Hin Nam No National Parks".
