The valley is divided into the following sections based on regional and national frontiers: Engadin (Switzerland) Tyrolean Inntal (Tirol, Austria) Bavarian Inntal (Bavaria, Germany) Upper Austrian Inntal (Upper Austria, Austria)
Org jaguneb lähtuvalt piirkondlikest ja riigipiiridest järgmisteks osadeks: Engadin (Šveits) Tirooli Inntal (Tirool, Austria) Baieri Inntal (Baieri, Saksamaa) Ülem-Austria Inntal (Ülem-Austria, Austria)