This analysis is an attempt at evaluation of both the diversity of resources and agricultural land structure in the main cities in Poland and their functional areas. The conducted research pinpoints that the share of agricultural lands in area land total is substantially lower (36,8%) in capital cities of the researched regions than on average in Poland, whereas the share of agricultural land is considerably higher in the subsequent districts. Moreover, the provincial centers have an impact on the structure of agricultural lands. It is noticed that in cities (the cores) there is a great polarization in the scope of intensive and extensive cultivation. The closer agricultural lands are to the cities, the greater the share of extensively and intensively used lands. Polarization vanishes when agricultural lands are further from the cities.