Ærø Municipality: Marstal, Ærøskøbing, Søby
- 📍 Location: Region of Southern Denmark,
the island of Ærø in the South Funen Archipelago - 🌊 Sea or lake: Baltic Sea and the South Funen Archipelago
- 👥 Population (municipality): 5,766 (Jan 1, 2026)
- 🏙️ Main towns: Marstal, Ærøskøbing, Søby
- 🏛️ Founded: Marstal trading-town status in
- 📏 Area: 90.1 km² (land area)
- ⛰️ Elevation: Marstal: 11 m a.s.l.
- ⏰ Time zone: CET (UTC +1, DST CEST +2)
- 💰 Currency: Danish krone (DKK)
Answers to frequently asked questions
❓ How many people live in Ærø Municipality?
5,766 inhabitants as of 1 January 2026. Five years earlier, on 1 January 2021, the figure was 5,960, a change of -3.3% (Statistics Denmark, FOLK1A).
❓ Which region is Ærø Municipality in?
Region of Southern Denmark, the island of Ærø in the South Funen Archipelago. The administrative centre of the region is Vejle.
❓ What are the largest towns in Ærø Municipality?
The largest towns are Marstal (1,989 inhabitants), Ærøskøbing (917 inhabitants), Søby (422 inhabitants) (Statistics Denmark, BY3, 1 January 2026).
❓ How many businesses are there in Ærø Municipality?
513 active enterprises in 2024 (Statistics Denmark, GF12, by CVR address), including 52 in hotels and restaurants and 46 in trade.
❓ How large is the area of Ærø Municipality?
90.1 km² (Statistics Denmark, ARE207, 1 January 2026), about 64 inhabitants per km².
❓ What share of residents live in towns?
About 66% live in towns and villages with at least 200 inhabitants (3,781 people), the rest in rural areas (Statistics Denmark, BY3, 1 January 2026).


