Oberstreit is a municipality located in the Bad Kreuznach district within the state of Rhineland-Palatinate, Germany. It functions as an Ortsgemeinde, which is a type of local municipality belonging to a larger collective administrative unit known as a Verbandsgemeinde.
The village is part of the Verbandsgemeinde of Rüdesheim. The administrative seat for this collective municipality is situated in the neighboring municipality of Rüdesheim an der Nahe.