I have immense pleasure to bring out this thesis which is basically designed to covers the determinants and dimensions of food insecurity at urban household level. This thesis was written for fulfilling partial requirements of Master's Degree in Economics in Mekelle University in 2011. This thesis will useful for researchers, undergraduate and postgraduate level students.This thesis will equally serves both social and natural science students and researchers. It will provides very important concepts and methodologies on food security, food insecurity and urban households livelihood strategies to cope up from food insecurity problem.This thesis has been written particularly keeping mind both theoretical and empirical literatures on food security and food insecurity at urban level. After going through this thesis, one will be well equipped to venture in the concepts of food security and food insecurity without getting confused.