Edelstal (Hungarian: Nemesvölgy) is a township in the district of Neusiedl am See, in the Austrian state of Burgenland.
Before the Treaty of Trianon it was in the Rajka district (Hungarian: Jaras) of Moson county (comitatus) in the Kingdom of Hungary.
It has a Roman Catholic church dating from 1740 dedicated to Saint Stephen.
The mineral water from the nearby Römerquelle springs has been bottled since 1890.
The township's mayor is Anton Moritz of the Sozialdemokratische Partei Österreichs (SPÖ), the vice-mayor is Gerald Handig of the Österreichische Volkspartei (ÖVP) and the chief civil servant is Ulrike Ingrid Handig.