Kostanjica () is a village in the municipality of Kotor, Montenegro.
Demographics According to the 2011 census, its population was 127.
+ Ethnicity in 2011EthnicityNumberPercentage Montenegrins 61 48.0% Serbs 42 33.1% Croats 8 6.3% other/undeclared 16 12.6% Total 127 100%
References