Tomašići is located in the municipality Generalski Stol, in Karlovac County at an elevation of 211 meters above sea level and it covers the area of 5.78 km² (2.23 sq. miles). According to the 2011 census report, there were 68 inhabitants. It is entirely populated by Croats. Nearby places: Skukani, Erdelj, Radočaji, Gorinci, Crno Kamanje, Špehari, Dani, Goričice Dobranske, Korenić Brdo and Soline.