This chapter introduces the concept of migrant integrationMigrant integration and its uniqueness and importance in the context of peri-urban areas in China. The originality of this book lies in adopting the neighbourhoodNeighbourhood perspective to study migrant integration, focusing not only on low-skilled migrantsLow-skilled migrants but also on middle- and high-income groups and their integration paths in various neighbourhood types, such as new commodity housingNew commodity housing estate estatesCommodity housing estates and privatised work unit compounds. Peri-urban areas, as rapidly urbanising regions, exhibit both urban characteristics and retain rural features, making them crucial spaces for migrant settlements and social integration. This chapter sets the stage for further exploration of how different neighbourhoodsNeighbourhood shape migrant integration while providing a foundation for understanding migrant integrationMigrant integration paths within the socio-spatial context of China.