Ghardimaou is a town in the north-west of Tunisia, about 192 km from Tunis, in the Jendouba Governorate. It has roughly 19,574 inhabitants.
The rail line from Tunis runs along the Medjerda river and ends at Ghardimaou. It was built in 1878 and crosses the border into Algeria to the west; the line reopened in 2024. Souk Ahras, the first stop in Algeria, is 16 km away.