Nigel Young,Krzysztof Szymanski(FOSTER) / CSWADI
Techo International Airport sits 20 kilometres south of central Phnom Penh, covering a total site area of 2,600 hectares. As a landmark cross-border transport hub under the Belt and Road Initiative, the airport was officially opened in September 2025. Co-designed by Foster + Partners and China Southwest Architectural Design and Research Institute, the terminal handles 13 million passengers per year in Phase 1, with a projected capacity of 30 million annually after the future southern concourse expansion.