Resumen
There is a strong interdependence between the development of airports and settlement structures which determines the extent of their growth and the way in which they operate. Systematic studies confirm their evolutionary nature which is characterized by the introduction of innovative solutions. This article aims to analyze the determinants, scope, and effect of influence of: airports on contemporary settlement structures in terms of urbanization and regionalization; settlement systems on the development and growth of airports and neighbouring areas including selected Polish airports. In addition to this the development trends of the spatial and functional airports? landside, which in the 21st century are reflected in modern structures such as airport cities and aerotropolis, are also identified. The article is divided into four parts entitled: 1. Airport as a determinant of development and transformation of settlement structures; 2. The evolution of airports? influence in terms of urbanization and regionalization; 3. Contemporary airports? landside ? airport city, aerotropolis, airport corridor, airport region and area; 4. Airport cities in Poland. The article is based on a long-term, systematic, and multidirectional study conducted by the authors.