First of all thank you for your interest in hosting FOSS4G conference in your city.
Can you please provide information about security situation in your city and around the venue? Also I’d like to know whether there was any terror attack/ attempts in your city within the last 1 year. If any, please report that.
One of the things we have discovered  from past OSGeo conferences is
that more than half the attendees at a conference are typically sourced
What are your thoughts on attracting attendees from within the South
My limited experience traveling in South America was that it was
primarily Spanish speaking, with limited people speaking English. Do you
have any experience you can draw up to suggest that Spanish speaking
technical and OSGeo community will want to attend an English speaking