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 dele