On Thursday, 23 November 2017, H.E. Dr. Chem Widhya, Ambassador of Cambodia, presented his Letters of Credence to H.E. Mr. Prokopis Pavlopoulos, President of the Hellenic Republic.

On Wednesday, 22 November 2017, His Excellency Ambassador presented a copy of his Credential Letters to Mrs. Aglaïa Balta, Chief of Protocol, and paid a courtesy call on Mr. Dimosthenis Stoïdis, Director in charge of South Asia, Southeast Asia, Japan and Oceania. On the same day, he paid a courtesy call on H.E. Mr. Lucian Fâtu, Ambassador of Romania to the Hellenic Republic and Diplomatic Dean.

In the evening of 23^rd November 2017,​ H.E. Mr. Chailert Limsomboon, Ambassador of Thailand to the Hellenic Republic and President of the ASEAN Committee in Athens (ACAT), hosted a dinner in honour of H.E. Dr. Chem Widhya and his spouse, with the participation of the Ambassadors of Indonesia and Viet Nam as well as the Chargé d’Affaires of the Philippines.