Zuilen used to be a municipality in the
Dutch province of
Utrecht. It existed until 1954, when it split in two parts. The southern part merged with
Utrecht to form the district that is now known as Zuilen.
Oud-Zuilen merged with
Maarssen, which merged with other municipalities to form
Stichtse Vecht on Januari 1st 2011. In 1510 the
Zuylen Castle was established, where
Isabelle de Charrière (1740–1805) was born and lived in summer and in winter in the city of Utrecht, till she married in 1771. Zuylen castle has been open to the public since 1952. ==References==