The 4th Clean City Competition (2026–2029) — Promoting aesthetics, the environment, sanitation, and order in the cities and districts of the Kingdom of Cambodia
The Clean City Contest Movement was established under the Royal Government of Cambodia to promote environmental aesthetic values, sanitation, hygiene, and orderliness across 33 cities and 14 khans in Phnom Penh Capital, supporting sustainable tourism and poverty reduction.
To encourage active participation, the Royal Government awards cities and khans that demonstrate outstanding commitment to urban environmental stewardship, green service delivery, and community engagement in sustainable development.