1st circle
Canto IV (4) - Limbo
2nd circle
Canto V (5) - Lustful
3rd circle
Canto VI (6) - Gluttons
4th circle
Canto VII (7) - Miserly/Prodigal, Sullen/Slothful, Wrathful
5th circle
Cantos VII-IX (7-9) - Reaches gates of Dis, Furies, angels open gates
6th circle
Cantos X-XI (10-11) Heretics, Virgil explains Hell’s layout
7th circle
Cantos XII-XVII (12-17) Violence against: neighbors, self, God, nature (sodomy), and art
8th circle
Cantos XVIII-XXXI (18-31) Pimps/Seducers, Simoniacs, Grafters, Hypocrites, Collapsed bridge&thieves, fraudulent counselors, schismatics, falsifiers, giants
9th circle
Cantos XXXII-XXXIV (32-34) Lake of ice traitors, traitors again, Satan