7,500), Bro (6,200) and Brunna (4,000), and most of the remaining area is taken up by countryside, a substantial part of it being agricultural.

As apparent from its coat of arms, Upplands-Bro takes pride in its pre-historic history, and boasts some of the oldest ancient remains in Sweden.

In the 15th century, the fortress Almarestäket was built in the municipality, just east to the present location of Kungsängen.

The regiment trains conscript companies of mechanized infantry, Royal Guards and military police.

[5] The municipality is served by the Stockholm public transport system operated by SL.

The municipal seat Kungsängen used to be the north-western terminus of the Stockholm commuter rail network, but in 2000 this line was extended to Bålsta in Uppsala County and a new station was built in Bro.