Vieste is a town and comune in the province of Foggia, in the Apulia region of southeast Italy.A marine resort in Gargano, Vieste has received Blue Flags for the purity of its waters from the Foundation for Environmental Education.The town is bordered by Mattinata, Monte Sant'Angelo, Peschici and Vico del Gargano. Till a few decades ago, its main resources were fishing and agriculture. Now tourism, with hotels, resorts and camping facilities, has transformed the town's appearance, economy and lifestyle.