Čečavački Vučjak is located in the municipality Brestovac, in Požega-Slavonia County at an elevation of 309 meters above sea level and it covers the area of 4.94 km² (1.91 sq. miles). According to the 2011 census report, there were 23 inhabitants. It is predominantly populated by Serbs (91%), but also Croats (9%). Nearby places: Ruševac, Jeminovac, Sinlije, Oblakovac, Banićevac, Ivandol, Rasna, Čečavac, Koprivna and Deževci.