September 26, 2010: Costa Rica - Estadio Ricardo Saprissa
September 29, 2010: Lima, Peru - Estadio Universidad San Marcos
The link to the announcement about Costa Rica on BonJovi.com isn't working at the moment but the main thing you need to know is:
[Bon Jovi's] number one world tour “The Circle” tour is set to come to Costa Rica’s on September 26th at the Estadio Ricardo Saprissa.
Tickets will be on-sale on August 7th at 10 AM by www.specialticket.net, authorized retail outlets as Servimas, Bansbach and La Barbería.
As for Lima, Bon Jovi.com says:
One of the most important and established bands in rock history, BON JOVI is going to perform in Lima on Wednesday, September 29th, 2010 at Estadio San Marcos as part of the #1 tour in the world, 'The Circle World Tour 2010'.
Tickets will go on sale on Saturday, August 7th at 11 AM online on Teleticket (http://www.teleticket.com.pe) and at outlets at Wong and Metro stores.