Japan has pledged roughly $120 million to finance Phase II of the container terminal at Sihanoukville Autonomous Port, a move intended to upgrade Cambodia’s only international deep‑sea port and strengthen the country’s logistics capacity. The agreement was formalized on July 13 by Foreign Minister Prak Sokhonn and Japanese Ambassador Ueno Atsushi.
Agreement and funding
On July 13 authorities exchanged notes and signed related documents to extend support begun with Phase I in 2022. The $120 million grant from Japan builds on earlier assistance, including a $7.6 million project in January to bolster customs functions at the new container terminal.
Infrastructure and capacity upgrades
Phase II focuses on expanding container handling capacity and modernizing terminal infrastructure. Key technical objectives include deepening berths and improving quay facilities so vessels from around the world can dock without water‑depth constraints, and streamlining on‑site operations to accelerate cargo throughput.
Logistics and trade implications
By enhancing the container terminal, the project aims to improve logistic service across import and export chains. Faster turnaround times and increased handling capacity should reduce shipping costs and delays, making Sihanoukville a more attractive hub for regional and international trade.
Economic and partnership impact
Japanese investment signals continued support for Cambodia’s socio‑economic development and cements the Cambodia–Japan Comprehensive Partnership. The upgrades are expected to generate jobs, stimulate related industries such as trucking and warehousing, and attract further foreign and regional business to the port area.
Implementation and next steps
Authorities indicate Phase III will follow once Phase II is completed, though specific timelines and procurement schedules have not been disclosed. Implementation will require coordinated work on dredging, construction, customs modernization and port operations to realize the full benefits.
Strategic significance
As Cambodia’s only international deep‑sea port, Sihanoukville plays a strategic role in national connectivity and regional supply chains. The Japanese grant strengthens maritime infrastructure that could reshape Cambodia’s position in Southeast Asian trade corridors.
A stronger Sihanoukville port, enabled by this $120 million investment, has the potential to accelerate trade, improve logistics efficiency and deepen economic ties between Cambodia and Japan—provided the planned upgrades are completed on schedule and integrated with broader customs and transport reforms.

