Municipality of Demir Kapija | first-level administrative division

 municipality, first-level administrative division, draw only border

Demir Kapija (Macedonian: Демир Капија) is a municipality in southern part of Republic of Macedonia. Demir Kapija, which means "iron door" or "iron gate" in Turkish, is also the name of the town where the municipal seat is found. Demir Kapija Municipality is part of the Vardar Statistical Region.

The municipality borders Negotino Municipality to the northwest, Konče Municipality to the northeast, Valandovo Municipality to the east, Gevgelija Municipality to the southeast, and Kavadarci Municipality to the southwest.

According to the last national census from 2002 this municipality has 4,545 inhabitants.

Populated settlements include:
Demir Kapija (seat)
Čelevec
Čiflik
Barovo
Besvica
Bistrenci
Dračevica
Dren
Iberli
Klisura
Košarka
Koprišnica
Korešnica
Prždevo
Strmaševo