Oud-Zuilen is a town in the Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 province of Utrecht

Utrecht (province)

Utrecht is the smallest province of the Netherlands in terms of area, and is located in the centre of the country. It is bordered by the Eemmeer in the north, Gelderland in the east, the river Rhine in the south, South Holland in the west, and North Holland in the northwest...

. It is a part of the municipality of Stichtse Vecht

Stichtse Vecht

Stichtse Vecht is a municipality of the Netherlands and lies in the northwestern part of the province of Utrecht.The municipality has about 63,000 inhabitants and covers an area of about 107 km²...

, and lies about 4 km northwest of Utrecht

Utrecht (city)

Utrecht city and municipality is the capital and most populous city of the Dutch province of Utrecht. It is located in the eastern corner of the Randstad conurbation, and is the fourth largest city of the Netherlands with a population of 312,634 on 1 Jan 2011.Utrecht's ancient city centre features...

. It is in an area called the "Vechtstreek

Vechtstreek

The Vechtstreek is a region in the Dutch provinces of Utrecht and North Holland along the Vecht River between the towns of Utrecht and Amsterdam...

".

In 2001, the town of Oud-Zuilen had 224 inhabitants. The built-up area of the town was 0.069 km², and contained 88 residences.
The statistical area "Oud-Zuilen", which also can include the peripheral parts of the village, as well as the surrounding countryside, has a population of around 1350.