Krničari is located in the municipality Žminj, in Istra County at an elevation of 298 meters above sea level and it covers the area of 1.31 km² (0.51 sq. miles). According to the 2011 census report, there were 96 inhabitants. It is mostly populated by Croats (73%), but also Albanians (6%). Nearby places: Kresini, Matijaši, Orbanići, Vadediji, Kršanci, Pifari, Prkačini, Debeljuhi, Pamići and Vidulini.