The Palace at Osowa Sien offers an exclusive and intimate setting for reunions, business retreats, and milestone celebrations, with accommodations for up to 46 overnight guests. Unlike a hotel, the castle is yours entirely—no external guests, just your group, surrounded by the warmth and charm of a truly unique home.
Enjoy private access to versatile spaces, from the chic ballroom to dining rooms that easily transform into meeting areas or a dance floor, and lush grounds perfect for exploring or unwinding. Every detail is thoughtfully designed to help you create an experience that’s seamless, delightful, and truly unforgettable
The Palace at Osowa Sien provides an unrivaled, at-home atmosphere. Stroll into the kitchen and pour yourself a freshly squeezed orange juice whenever you like, or lounge in your bathrobe and sunglasses all day. Our property is designed to feel like your own home, offering absolute freedom and comfort.
Hosting a group is about creating an experience that feels welcoming and thoughtfully organized. It’s more than logistics—it’s about moments that flow seamlessly and memories that linger long after.
From placing a steamer in the organizer’s room to ensure their party outfit is flawless, to stocking fresh, seasonal produce for self-catered meals, and lighting every tealight before you arrive, we handle the small touches that make all the difference. With every detail thoughtfully managed, your group feels at home, and you shine as the perfect host.
It’s about the little moments as much as the big ones—those details that make your group’s stay special and leave everyone eager to return.
We craft each stay around what matters to you. Whether it’s a self-catered retreat, fully prepped before arrival, or a catered event with seamless planning and savvy coordination, every detail is set for an effortless experience—be it a gala-ready ballroom or a workshop space ready to go.
From firewood stacked and warm throws set out to a bonfire under the stars or an intimate candlelit soirée, we create an atmosphere that feels effortless yet refined. Self-cater, work with local vendors, or opt for our signature services—from elevated farm-to-table dining and expert event planning to curated decor and polished hosting.
Who knows this place—and how to make it shine—better than we do?
"This castle is simply amazing! I booked The Palace at Osowa Sien for business clients from the USA. Everything was perfect, from the decorated rooms to the attentive staff. We enjoyed the large room with the fireplace and local red wine. All our guests asked when we could return to this beautiful place. We’ll definitely come back”
– Armin Reischl
Explore our Events tab for details on popular group stays like Birthdays, Weddings, and Friends & Family gatherings. Or, contact us directly to create an exclusive event your guests will cherish for years. Discover what makes The Palace at Osowa Sien truly one-of-a-kind. This is your place—you belong here.