The Posavje District (; literally, 'Sava Valley District'), or simply Posavje, is a district () of the City Municipality of Ljubljana, the capital of Slovenia.
The Posavje District is bounded on the west by a line through farmland east of the A2 Freeway, on the north by the Sava River, on the east by Stryia Street (à  tajerska cesta), and on the south by the H3 Expressway (i.e., the northern section of the Ljubljana Loop). The district includes the former settlements of Jeà ¾ica, KleÃÂe, Mala Vas na Posavju, Savlje, and Stoà ¾ice.