Turkey, with a population of 78.7 million people in 2015, is located at the crossroads of Europe and Asia and bordered by eight countries. Turkey’s Integrated Social Assistance Service Information System (ISAS) is an e-government system that electronically facilitates all steps related to the management of social assistance, including the application, identification of eligibility, disbursement of funds, and auditing. ISAS integrates data from twenty two different public institutions and provides 112 web-based services in one easily accessible online portal. ISAS was developed internally by the Turkish government through cooperation between multiple government agencies.This report aims to showcase the ISAS system and share the knowledge and experience gained in its development with other interested countries.