Boimorto is in the north-west of Spain, a European country south of France, in the autonomous community of Galicia. More precisely, at latitude 43° 00′ 27″ N and longitude 8° 07′ 37″ W.
The municipality is crossed by the C-540 road, its main route in and out.
At the As Corredoiras junction, close to the municipal capital, 36 kilometres from Betanzos and 9 from Sobrado dos Monxes, the road splits in two: one branch goes to Arzúa (14 kilometres) and the other to Melide (16 kilometres).
