Located about 1 km from the 85m-tall Beyazit Tower, the comfortable 3-star The Old Ottoman Castle Aparthotel Istanbul offers general facilities such as currency exchange and a lift. This Istanbul aparthotel offers an à la carte restaurant and features convenient location with a such place of power and worship as Bodrum Camii Mosque approximately 5 minutes' drive away.

Within a 1.1-km distance of the baroque-style Imperial mosque "Laleli Camii", the hotel is also just 1.7 km from the Holy mosque "Hagia Sophia Museum". The Old Ottoman Castle Aparthotel is within 10 minutes' walk of the Istanbul Photography Museum, and Cagaloglu Hamami Public Bath, where guests can indulge in relaxation, stands nearly 20 minutes' walk away. The best historical sights to visit here include the Boukoleon Palace, situated a short way from the accommodation. This Istanbul hotel lies within 1 km of Vezneciler-İstanbul Üniversitesi underground station and 2.2 km from Sirkeci train station.

The air-conditioned rooms at The Old Ottoman Castle Aparthotel combine such comforts as air conditioning and soundproof walls with a flat-screen TV with satellite channels. They also comprise a terrace and a living room. The bedrooms come with extra-long beds and couch beds. Guests can make use of a hairdryer and bath sheets in the modern bathrooms with a walk-in shower and a separate toilet. The Old Ottoman Castle Aparthotel Istanbul offers rooms with views of the city.

Old castle restaurant specialises in Turkish cuisine and features views of the city. A rooftop bar is available on site. It also welcomes guests with free WiFi and a happy hour.