Offering 45 rooms, the 3-star smoke-free Hotel Agan Oldcity Istanbul is near the entertainment district of Istanbul, merely 1.5 km from Little Hagia Sophia Mosque. A coffee bar as well as a sundeck and a shared lounge can be enjoyed at the hotel, boasting the setting within a few blocks of Istanbul Museum of the History of Science and Technology in Islam.

Museum of Innocence is approximately 25 minutes' walk from this Istanbul hotel, while Basilica Cistern is only 9 minutes' walk from this place. Sirkeci, which is a transportation hub, and cultural cross-roads, where the Agan Istanbul sits, grants access to cultural attractions like Dolmabahce Palace, which is 3.4 km away. Also, Fig Garden is situated just 13 minutes' walk away. Only a few steps from the property, guests will find the large Topkapi Palace harem Museum. The Agan Oldcity is about 600 metres from Big Tours Istanbul bus stop and just near Sirkeci train station in Istanbul.

The rooms at the hotel include air conditioning. Some of them comprise a kitchenette and a dining area, furnished with a sofa bed. They come with en-suite bathrooms. The marble-lined bathrooms, equipped with a spa bathtub, a walk-in shower, and a separate toilet, also offer a hairdryer and bath sheets. Some of the rooms also look over the mountain.

Hotel Agan Oldcity Istanbul offers a buffet breakfast made fresh daily. Turkish cuisine is offered at Hafiz Mustafa 1864, situated around 5 minutes on foot from the accommodation.