At the beginning of Brutus' scene, subtitle reads "Bithynia (East of Turkey)", however, Bithynia is actually a province that is roughly the north-west of Turkey.
Pullo is sitting on the lower level of Vorenus's headquarters in the Aventine when the loud sound of door slamming is heard and Vorenus has made an appearance at the top of the stairs. Only there is no door any where in the area; only an open arch way.