Ð/đ may also be Croatian, where it sounds like a "dj". Technically it could also be Serbian (which is pretty much the same spoken language, called Serbo-Croatia

Ð/đ may also be Croatian, where it sounds like a "dj". Technically it could also be Serbian (which is pretty much the same spoken language, called Serbo-Croatian), but Serbian is usually written using the Cyryllic alphabet while Croats chose Roman letters.