[2] Located in the eastern side of the city and crossed by Spree river in the western corner, Rummelsburg borders with Lichtenberg, Friedrichsfelde, Karlshorst, Friedrichshain (in Friedrichshain-Kreuzberg district), Plänterwald and Oberschöneweide (both in Treptow-Köpenick district).

The lake Rummelsburger See belongs to the locality and separates it from Stralau, a zone of Friedrichshain.

Rummelsburg counts 1 zone (Ortslage): The locality is served by several urban rail lines of S-Bahn and U-Bahn.

The stations serving the locality are Rummelsburg (S3 line), Betriebsbahnhof Rummelsburg (S3), Nöldnerplatz (S5, S7, S75), partly Ostkreuz (S3, S4, S5, S7, S75, S8, S85, S9) and part of the DB station of Lichtenberg (S5, S7, S75, U5, Tram).

Media related to Rummelsburg at Wikimedia Commons