On the Grand Loop Route, apart from Cavtat as the starting point, you can resupply by going slightly off trail near the village of Dubravka, where there is a small shop, and in the village of Gruda, which can also be reached by detouring from the route. For details, refer to the GPX track.

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You can handle larger resupply before your adventure in Župa Dubrovačka, in the Čibača business zone where supermarkets are located, and you can get there by public transport.