Novi Grad, formerly Bosanski Novi, is a town and municipality in Republika Srpska, Bosnia and Herzegovina. Situated in the far northwest of the …Novi Grad, formerly Bosanski Novi, is a town and municipality in Republika Srpska, Bosnia and Herzegovina. Situated in the far northwest of the country, it lies across the Una from the Croatian town of Dvor. According to the 2013 census, the town has a population of 11,063 while its municipality comprises a total of 27,115 inhabitants.