Bülach is a historic town and municipality located in the canton of Zürich, Switzerland. It serves as the administrative capital of the Bülach district.
The town is situated in the Glatt Valley to the east of the Glatt river. Geographically, it lies approximately 4 km (2.5 mi) south of the High Rhine and about 6 km (3.7 mi) north of Zurich Airport.