The AA community in Lima is quite large and in every district you find numerous groups meeting up regularly. And even in Peru's provinces the community is growing.
For meetings for the different groups in Lima check out the AA webpage here; for meetings in different cities in Peru here. These groups are mainly communicating in Spanish and the meetings are held in Spanish as well
Additionally, there are groups and a meeting per day in English in Lima (either at the Anglican Cathedral of the Good Shepherd in Miraflores or at a location on Av. Pardo in Miraflores), In Cusco, Iquitos and Arequipa English meetings are offered as well. Please find exact info for the English speaking meetings here.