Archi (Abruzzese: Iìrchë) is a town and comune in the province of Chieti, Abruzzo, southern Italy.

The town of Archi is located on a rocky outcrop overlooking the Val di Sangro and Valle dell'Aventino.

It covers 2818 hectares, and borders with the municipalities of Perano, Atessa, Tornareccio, Bomba, Roccascalegna and Altino.

In the Middle Ages, Archi was a fortified center that, together with Casoli and Roccascalegna, constituted a defensive triangle that blocked the passage from the eastern Maiella to the Sangro valley In the Norman period, the town was entrusted to two soldiers managed by one Marsilius Trogisii.

Later he was held by various families including: Carafa, De Secura, Guevara, Crispano, Pignatelli, Cardone and finally the Adimari marquises of Bomba.