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    Southwest Finland (Egentliga Finland)

    • 🏛️ Administrative centre: Turku
    • 🌍 Region: south-western Finland,
      Archipelago Sea coast
    • 📍 Location: borders Satakunta, Pirkanmaa, Kanta-Häme and Uusimaa;
      the Archipelago Sea and Åland to the west
    • 📐 Area: 10,677 km² (land area)
    • 👥 Population: 497,800 (Dec 31, 2025)
    • ⛰️ Relief: flat clay plains and farmland, Finland's largest archipelago
    • 🗣️ Official language: Finnish and Swedish (3 bilingual municipalities)
    • ⏰ Time zone: EET (UTC +2, DST EEST +3)
    • 💰 Currency: Euro (EUR)
    • 🌧️ Climate: humid continental, moderated by the sea (Dfb)

    Cities and municipalities in the region

    Answers to frequently asked questions

    What is the population of Southwest Finland?
    The population of Southwest Finland was 497,800 on Dec 31, 2025 (Statistics Finland), a change of +3.4% since 2020.
    What is the largest city in Southwest Finland?
    The largest municipality is Turku with 209,633 residents (Dec 31, 2025), followed by Salo (50,339) and Kaarina (36,675).
    How many municipalities are there in Southwest Finland?
    Southwest Finland has 27 municipalities (as of Jan 1, 2026), 11 of which have city status: Turku, Salo, Kaarina, Raisio, Naantali, Loimaa, Uusikaupunki, Pargas, Paimio, Laitila, Somero.
    What is the administrative centre of Southwest Finland?
    The regional centre is Turku.
    How many businesses are there in Southwest Finland?
    Southwest Finland had 54,602 business establishments in 2024 (Statistics Finland), including 3,474 retail outlets.
    How large is Southwest Finland?
    The land area is 10,677 km² and the population density 46.6 residents per km² (Dec 31, 2025).
    Is Swedish spoken in Southwest Finland?
    Yes: 5.5% of residents are Swedish speakers (Dec 31, 2025).
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