Geographically, where are the travis-ci jobs run?
Where are the travis-ci servers located? Does travis-ci leverage AWS EC2?


According to this documentation, the servers are located in the USA and AWS EC2 is used as well.


  Your code, depending on which platform or language runtime you're
  using, is run on virtualized servers running in:
  
  
  Amazon EC2 datacenters in Ashburn, VA, USA,
  MacStadium datacenters in Atlanta, GA, USA,
  Google Compute Engine datacenters in Berkeley County, SC and Council Bluffs, Iowa, USA.