Helsinki, the capital of Finland, is a vibrant city surrounded by natural beauty and fascinating destinations. Here are some recommended day trips from Helsinki:

1. Porvoo:
   • Porvoo is a charming medieval town known for its colorful wooden houses and cobblestone streets.
   • Explore the Porvoo Cathedral, the Old Town Hall, and the riverside.
     
     
2. Suomenlinna Sea Fortress:
   • Take a short ferry ride to Suomenlinna, a UNESCO World Heritage site and sea fortress spread across several islands.
   • Explore the fortifications, museums, and enjoy panoramic views of the Baltic Sea.
     
     
3. Nuuksio National Park:
   • Nuuksio is a beautiful national park offering pristine forests, lakes, and hiking trails.
   • Enjoy outdoor activities such as hiking, berry picking, and exploring the park’s natural beauty.
     
     
4. Tallinn, Estonia:
   • Take a ferry to Tallinn, the capital of Estonia, known for its well-preserved medieval old town.
   • Explore Tallinn’s historic sites, including Toompea Castle, Alexander Nevsky Cathedral, and Raekoja plats (Town Hall Square).
     
     
5. Hämeenlinna:
   • Hämeenlinna is a town with a medieval castle and picturesque surroundings.
   • Visit Häme Castle, Aulanko Nature Reserve, and the Finnish Railway Museum.
     
     
6. Hanko:
   • Hanko is a seaside town with beautiful beaches, parks, and a historic spa.
   • Enjoy the beaches, visit the Hanko Water Tower, and explore the Hanko Casino building.
     
     
7. Raseborg Castle (Raasepori):
   • Raseborg Castle is a medieval castle located on a picturesque coastal site.
   • Explore the castle ruins and enjoy the views of the archipelago.
     
     
8. Ekenäs (Tammisaari):
   • Ekenäs is a coastal town known for its well-preserved wooden houses and maritime atmosphere.
   • Visit the Ekenäs Old Town, Raseborg Castle, and stroll along the waterfront.
     
     
9. Fiskars Village:
   • Fiskars Village is an artist community with a historic ironworks village.
   • Explore the local art and design shops, visit the Fiskars Museum, and enjoy the unique atmosphere.
     
     
10. Turku:
    • Turku is Finland’s oldest city, known for its medieval castle and archipelago surroundings.
    • Visit Turku Castle, Turku Cathedral, and take a boat tour of the Turku Archipelago.
      
      
11. Lahti:
    • Lahti is a city surrounded by lakes and forests, offering outdoor activities and cultural attractions.
    • Visit the Lahti Art Museum, Lanu Sculpture Park, and explore the nearby Lake Vesijärvi.
      
      
12. Loviisa:
    • Loviisa is a charming town with well-preserved wooden architecture and a maritime atmosphere.
    • Explore the Loviisa Old Town, visit the Loviisa Maritime Museum, and enjoy the coastal surroundings.
      

These day trips provide a mix of cultural experiences, outdoor activities, and historical sites, allowing you to explore the diverse attractions surrounding Helsinki. Choose destinations based on your interests and enjoy the rich history and natural beauty of Finland.