The region in which Sunda kommuna is situated is referred to as Sundalagið, centered around the Sundini (The Narrows) between the islands of Streymoy and Eysturoy.

The villages Selatrað, Morskranes and Kolbeinagjógv are also situated on the Sundini but not considered part of Sundalagið region.

Sunda kommuna contains the following villages: The municipality is centrally located in the country, situated in the middle of highway 10 between capital Tórshavn and second city Klaksvík.

[3] How Sunda will be connected to Tórshavn and Klaksvík by public transport in the future, when the Eysturoyartunnilin has rearranged route 400, remains unknown.

A free citizen-only bus service operated by Sunda kommuna connects all villages except Saksun and Gjógv.