Sadika is a tributary of the river Vrbanja in Bosnia and Herzegovina. It rises on the northeastern slopes of Zastinje Mountain, at above sea level. The Sadika's confluence with the Vrbanja–which is the largest right tributary of the Vrbas–is below Gigovići, a village close to the Kotor Varoš-Šiprage road, at above sea level.Vojnogeografski institut, Ed. (1955): Travnik (List karte 1:100.000, Izohipse na 20 m). Vojnogeografski institut, Beograd.Spahić M. et al. (2000): Bosna i Hercegovina (1:250.000). Izdavačko preduzeće "Sejtarija", Sarajevo.
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See also Demićka