What is "svilajnac"

Svilajnac (pronounced /sviːlaɪnʌt͡s/; ) is a town and municipality located in central Serbia at 44.13° North, 21.12° East, south-east of Belgrade, on the banks of the river Resava, and bordering the river Morava. Its name stems from the word for silk in Serbian. It is the de facto administrative center of the Resava region. The population of the town is 9,131 while municipality has 23,391.