Ahlbeck is a district of the Heringsdorf municipality on the island of Usedom on the Baltic coast. It is the easternmost of the so-called Kaiserbäder ("Imperial Spas") seaside resorts on the German part of the island, situated right next to the border with Poland and the town of Świnoujście (Swinemünde). Both communities are freely connected by the longest beach promenade in Europe spanning more than 12 km (7 mi) from Bansin to Świnoujście.