This work develops a methodology for the calculation of the redistributive effects at territorial level caused by the budgetary activity of the regional governments and applies it to the Autonomous Community of Aragón in the 1999-2001 period. The obtained results show that the regional governments can cause important redistributive effects at provincial level and that such effects move away substantially of the habitual normative criterion that takes as reference the population and the GDP. These effects are much more noticeable and less predictable than the ones generated by the central government, according to the most recent estimations of the regional fiscal balances.