Sundsvall-Härnösand Airport (SDL/ESNN) is a regional airport located near Härnösand in Västernorrland County, Sweden, serving the cities of Sundsvall and Härnösand. It functions as a key air link for the Mid Sweden region, connecting it to Stockholm and other domestic destinations. The airport handles primarily domestic traffic, with connections to Stockholm Arlanda operated by major Swedish carriers. It plays an important role for business travelers and residents in a region where road and rail travel to major hubs can be time-consuming. Managed under Sweden's national airport network, the facility is relatively modest in size but maintains modern amenities appropriate for a regional Swedish airport, including ground handling and basic passenger services.