Veljun is a village in Croatia, under the Slunj township, in Karlovac County. In 1890, the obćina of Veljun, with an area of 98 square kilometres, belonged to the kotar of Slunj in the županija of Modruš-Rieka. There were 839 houses, with a population of 5531. Its 18 villages and 3 hamlets were divided for taxation purposes into 7 porezne obćine, under the Slunj …Veljun is a village in Croatia, under the Slunj township, in Karlovac County. In 1890, the obćina of Veljun, with an area of 98 square kilometres, belonged to the kotar of Slunj in the županija of Modruš-Rieka. There were 839 houses, with a population of 5531. Its 18 villages and 3 hamlets were divided for taxation purposes into 7 porezne obćine, under the Slunj office.