Kostajnik

Kostajnik (Костајник) is a village in Serbia. It is situated in the Krupanj municipality, in the Mačva District of Central Serbia. Kostajnik is notable for being a fortified village since 1445. The village had a Serb ethnic majority and a population of 1,048 in 2002.



Historical population

 * 1948: 1,431
 * 1953: 1,621
 * 1961: 1,671
 * 1971: 1,506
 * 1981: 1,364
 * 1991: 1,264
 * 2002: 1,048