City borough. City of Amsterdam District of West combines former districts Westerpark, Oud-West, De Baarsjes and Bos en Lommer as of 1 May 2010. The size of the new district is 10 km2 and is home to approximately 130.000 residents. District offices (stadsdeelkantoor) Addresses: Bos en Lommerplein 250 (Permits [Vergunningen], Civil Affairs [Burgerzaken]) Baarsjesweg 224 (Civil Affairs [Burgerzaken]) Postal address: Stadsdeel West Postbus 57239 1040 BC Amsterdam Telephone: 14 020 (08:00 - 18:00) Website: www.west.amsterdam.nl (Dutch) Email: info@west.amsterdam.nl Fax: (020) 253 0272 Twitter: http://twitter.com/#!/020West Facebook: http://www.facebook.com/stadsdeelwest