The western branch of the Oder River, which separates the island of Usedom from the German mainland, is often also called Peene, but actually is considered a part of the Baltic Sea called the Peenestrom.
Den vestlege gren af floden Oder, som skiller øen Usedom fra det tyske fastland, bliver ofte kaldt Peene, men er egentlig en del af Østersøen kaldt Peenestrom.