On June 30 and July 1, 2023, Ambassador Designate Pham Quang Hieu paid a working visit to Nagano Prefecture, located in the North Central region of Japan. The Governor of Nagano Prefecture welcomed Ambassador Designate Pham Quang Hieu at the provincial administrative office and chaired a meeting between the leaders of Nagano Prefecture and Ambassador Designate Pham Quang Hieu and the Embassy's de