Founded in early 2025, 21 Keys is a boutique property management company specialising in high-quality holiday rentals in Hisarya. With over 20 years of combined experience in the hospitality industry across Bulgaria and the UK, our team is committed to delivering exceptional service and thoughtfully curated stays. Each property in our growing portfolio is carefully selected and professionally managed to provide a seamless, stylish, and memorable experience for every guest.

Welcome to our stylish and spacious one-bedroom apartment, a perfect retreat for up to two guests. Thoughtfully designed with a blend of modern and vintage touches, this brand-new space offers comfort and character in every detail. The bedroom features a twin bed that can easily be arranged as a king upon request. The fully equipped kitchen has everything needed to prepare and enjoy a home-cooked meal. We are also dog-friendly, so your furry family members are more than welcome. Located on the 5th floor with lift access, the apartment boasts a spacious terrace with breathtaking mountain views, creating the perfect spot to unwind. Free parking is available for your convenience, making your stay even more seamless. Whether you're here to explore the area or simply relax, our apartment provides a warm and inviting space to call home.

Located just a few meters from the Momina Banya Spring and its lush green park, the apartment offers the perfect base to experience the best of Hisarya. A short stroll away, Restaurant Natzional and several other local eateries serve delicious Bulgarian cuisine, while the town’s renowned spas, including Terme de Hisar, provide year-round relaxation with their healing mineral waters. Whether you prefer a quiet walk among century-old trees or a rejuvenating soak in a thermal pool, everything you need for a refreshing escape is within easy reach. Set against the backdrop of the Sredna Gora mountains, Hisarya is a town rich in history, nature, and wellness. Famous for its Roman ruins, expansive parks, and therapeutic springs, it has long been a destination for those seeking both relaxation and cultural exploration. With its unique blend of ancient heritage and modern spa indulgence, Hisarya promises a truly revitalizing experience.