Dogana is a town and a civil parish (curiazia) in the north-eastern corner of San Marino
in the Serravalle
municipality (castle). The town is the most populated settlement in the republic. The town is situated at the northernmost point of San Marino after Falciano, close to the borders with Italy
(at Cerasolo, a civil parrish of Coriano, in the province of Rimini).