Smišljak is located in the City of Vrbovsko, in Primorje-Gorski Kotar County at an elevation of 240 meters above sea level and it covers the area of 3.39 km² (1.31 sq. miles). According to the 2011 census report, there were 21 inhabitants. It is mostly populated by Croats (73%), but also Serbs (13%). Nearby places: Močile, Severin na Kupi, Mali Jadrč, Damalj, Plešivica, Draga Lukovdolska, Veliki Jadrč, Klanac, Vučnik and Podvučnik.