| Settlement Type: | Town |
| Subdivision Type: | Country |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Biatorbágy |
| Mapsize: | 275px |
| Subdivision Type1: | County |
| Subdivision Name1: | Pest |
| Subdivision Type2: | District |
| Subdivision Name2: | Budakeszi |
| Area Total Km2: | 43.80 |
| Population Total: | 13132 |
| Population Footnotes: | [1] |
| Population As Of: | 2017 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 2051 |
| Area Code Type: | Area code |
| Area Code: | (+36) 23 |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Biatorbágy |
| Pushpin Mapsize: | 275px |
| Coordinates: | 47.4712°N 18.8252°W |
| Blank Name: | Motorways |
| Blank Info: | M0, M1 |
| Blank2 Name: | Distance from Budapest |
| Blank2 Info: | 21.7km (13.5miles) East |
Biatorbágy (German: Wiehall-Kleinturwall) is a town in Pest County, Budapest metropolitan area, Hungary. It has a population of 13,889 (2019). It was created in 1966 by the merger of Bia (German: Wiehall) and Torbágy (German: Kleinturwall).
On 13 September 1931 a demented man (Szilveszter Matuska) blasted the train to Vienna on the viaduct of Biatorbágy. Killing 22 and injuring up to 122 people, 17 severely, it has been the most notorious sabotage on his crime history.
See also: List of twin towns and sister cities in Hungary. Biatorbágy is twinned with:[2]
Remetea, Romania (2001)
Kiti, Cyprus (2004)
Dolný Štál, Slovakia (2012)
Velyka Dobron, Ukraine (2013)