The document summarizes the history and activities of the South-eastern Europe Health Network (SEEHN). It discusses how SEEHN began in 1999 as part of the Stability Pact to promote stability and public health integration in southeastern Europe. Over time, SEEHN has expanded its membership and established various pledges and agreements to formalize cooperation between countries. Currently, SEEHN coordinates regional health programs, operates nine Regional Health Development Centers, and works to implement a Health in All Policies approach across member states. Overall, SEEHN has helped member countries develop public health policies and infrastructure as well as respond to health challenges through collaborative regional initiatives.