Sergio Osmeña Sr. is one of the 25 component municipalities of Zamboanga del Norte. It has a total land area of 55, 644 hectares with a total population of 30,219 individuals and 5,507 households (Community-Based Monitoring System, 2008). Sergio Osmeña Sr. has 39 barangays.
Barangay Biayon is the 2nd largest barangay in Sergio Osmeña. Based on the 2008 Community- Based Monitoring System, Barangay Biayon has a total population of 1,525 individuals. The total number of households is 338.
A group of eight (8) level 4 medical students was assigned in Barangay Biayon, Sergio Osmeña Sr., Zamboanga del Norte, and lived in the community, away from the comfort of their own home, for almost a year. Team Biayon aimed to assist the people promote their health and prevent illnesses, in a multidimensional level, through initiation of new strategies and/or by partnering with government and non-government agencies for the implementation and sustenance of planned solutions to address the health needs of the community.