On 5 October 2013, Ambassador Thanatip Upatising and his spouse, led Embassy staff to join ASEAN Festival 2013, which was to celebrate the 40th anniversary of Japan-ASEAN relations. The event was held at Yamashita Park in Yokohama. ASEAN ambassadors accredited to Japan, Secretary-General of ASEAN-Japan Centre and special guests presented at the opening ceremony.
The activities included not only 70 booths ranging from food, products, tourism and culture promotion but also stage performance such as national costume fashion show, traditional dance, and live concert. Thailand presented Thai boxing from Hamakko Muaythai Gym and Thai traditional music by the Royal Thai Embassy Ensemble.