# Chapter City Country More
21 Athens 1 Athens Greece
22 Athens 2 (NTUA) Athens Greece
23 Atlanta Peachtree Corners United States
24 Auburn Auburn United States
25 Auckland Auckland New Zealand
26 Austin Austin United States
27 Baebong Seoul South Korea
28 Baltimore 1 Towson United States
29 Baltimore 2 Baltimore United States
30 Belize Belize City Belize
31 Beograd Beograd Serbia
32 Berkeley Richmond United States
33 Bern 1 Switzerland
34 Bern 2 Switzerland
35 Bishkek Bishkek Kyrgyzstan
36 Bonn Bonn Germany
37 Bonn City Bonn Germany
38 Boston Brighton United States
39 Bratislava Bratislava Slovakia (Slovak Republic)
40 Brisbane Brisbane Australia