The municipality's mayor has been Henrik Rasmussen, a member of the Conservative People's Party, since 2010.

The Conservative People's Party has held the position as mayor since the municipality's creation in 1970.

Vallensbæk is known from at least 1184 under the name Wolensbech, possibly translating to 'narrow land area' or 'the field with the brook'.

In the Middle Ages, when Denmark was divided into syssels, Vallensbæk was part of Østersyssel.

Although Copenhagen County changed many times over the years, Vallensbæk always remained within the borders.

Next to the marina is Køge Bugt Strandpark, of which a small portion is in Vallensbæk Municipality.

[7][8] Located in the Great Copenhagen Area, there aren't much nature in Vallensbæk Municipality.

Both lakes were artificially created in 1972 in order to prevent floodings from the river of Store Vejleå.

It is located along the coast of the bay, in Greve, Ishøj, Vallensbæk and Brøndby municipalities.

[11] The park is home to many species of birds, with common redshank and northern lapwing breeding in the area.

[15] Companies with their headquarter in Vallensbæk Municipality include medico-company Simonsen & Weel.

Citizens in Vallensbæk Nordmark can pick up reserved books at the nearby public school.

Wulff focused on Vallensbæk location around water, with the river of Store Vejleå crossing the municipality.

A wavy white line, representing Store Vejleå goes across the coat of arms in the middle.