Administrative Information of Son Tay ward (Post-2025 Merger)
- Merged from: Ngo Quyen ward, Phu Thinh ward, Vien Son ward, Duong Lam commune, Trung Hung ward, Son Loc ward, Thanh My commune
- Total area: 23.08 km²
- Population: 71,301 people
- Population density: 3,089.30 people per km²
- Administrative headquarters (new): Số 1 phố Phó Đức Chính, phường Sơn Tây
Map of Ha Noi city After the 2025 Administrative Merger
The map below provides an updated view of Ha Noi city and its new administrative boundaries after the 2025 national merger, helping users easily identify the location of Son Tay ward and nearby wards/communes.

Official map of Ha Noi city after the 2025 administrative restructuring (Source: Ministry of Agriculture and Environment – Vietnam Resources and Mapping Publishing House).