Sam's mission is located in the State of Bahia in Brazil.
Here are some links with information.
Bahia Information (includes good map of Bahia and basic information)
Brazil Missionary Training Center (information from lds.org)
Statistics about the Church in Bahia, Brazil (information from ldschurchtemples.com, not an official Church site)
Statistics about the Church in Brazil (from ldschurchtemples.com)