The House of Obellius Firmus is a prestigious residence located in Regio IX of Pompeii, specifically in Insula 14, number 4. This house, dating back to the Samnite period, was undergoing restoration at the time of the eruption of Mount Vesuvius in 79 AD. The structure is centered around two atria and features a peristyle with a garden, reflecting the sophisticated residential architecture of the Roman era.

    One of the most distinctive features of the house is its bronze and iron safe, an opulent symbol of the owner's wealth. This safe is securely anchored to the ground near the right wing of the main atrium, demonstrating the importance and affluence of the Obellii family in ancient Pompeii.

    The first atrium, of the tetrastyle type, is characterized by four Corinthian columns supporting the open roof. In front of the main entrance, between the impluvium and the tablinium, there is a table on a pedestal (cartibulum), which was used for managing family affairs and storing financial documents. The lararium, dedicated to the protective spirits of the house, is located in the right corner of the atrium.

    The house extends towards the garden and peristyle, surrounded on three sides by a colonnade. This area housed reception rooms and private quarters. Despite the damage sustained over time, remnants of sophisticated wall decorations are still visible, offering valuable insights into the daily life and artistic tastes of ancient Pompeii.

    The House of Obellius Firmus serves as a significant testament to Pompeian architecture and culture, providing visitors with a fascinating glimpse into the past of this ancient Roman city.