Kozloduy Municipality is a municipality in Vratsa Province, Bulgaria.

The municipality consists of 5 settlements with a total population of 21,180 inhabitants (February 1, 2011). The town and 4 villages - Butan, Harlets, Glozhene and Kriva Bara.

Populated place	Population census (February 2011)	Area (km)
Kozloduy	13058	105,307
Butan	2918	64,454
Glozhene	2748	51,89
Kriva Bara	397	15,542
Harlets	2059	47,681
Общо за общината:	21180	284,874
The settlements with a mayor have a green background, and those without a mayor's office have a yellow one.

According to the latest Bulgarian census of 2011, the religious composition, among those who answered the optional question on religious identification, was the following:

Religious composition of Kozloduy Municipality Orthodox Christianity   50.8% Catholicism   0.6% Protestantism   0.4% Islam   0.2% No religion   5.7% Prefer not to answer, others and indefinable   9.8%

43°46′59″N 23°43′59″E / 43.783°N 23.733°E / 43.783; 23.733