Duomo 23 Hotel Naples offers quick access to the 700s Via San Gregorio Armeno Church, situated approximately 5 minutes' walk away.

The Naples Historic Centre is only 250 metres from the guest house, while the 17th-century monastery complex "Certosa e Museo di San Martino" is 2.8 km away. The traffic-free square "Piazza del Plebiscito" is also located about a 25-minute walk from this 3-star hotel. Within a few blocks of the Duomo 23 there is the funerary chapel "Museo Cappella Sansevero". The property is within 800 metres of Università underground station and just 0.9 km from Foria - Duomo bus stop.

The rooms include air conditioning, along with such modern comforts as a flat-screen TV with satellite channels. Guests will make use of a hair dryer and bath sheets in bathrooms equipped with a bidet, a separate toilet, and a shower.

Sorbillo is located next to Duomo 23 Hotel and serves Neapolitan dishes, 7 minutes' stroll away.