Vesturbyggð is a municipality located in the Westfjords in Iceland. In Vesturbyggð, there are Patreksfjörður with 721 inhabitants, Tálknafjörður with 261 inhabitants, Bíldudalur with 238 inhabitants and Krossholt with 19 inhabitants. The municipality is served by Patreksfjörður Airport and Bíldudalur Airport. On 28 October 2023, residents voted to unify with Tálknafjarðarhreppur. On 19 May 2024, Tálknafjörður municipality disbanded and the town joined the Vesturbyggð municipality.

Twin towns – sister cities

Vesturbyggð terminated all its twinnings in 2018. Previously it was twinned with: