For the country that has notes on the indicator Inflation, consumer prices, in which region is it in?
indicator Inflation, consumer prices refers to IndicatorName = 'Inflation, consumer prices (annual %)'
SELECT T1.Region FROM Country AS T1 INNER JOIN CountryNotes AS T2 ON T1.CountryCode = T2.Countrycode INNER JOIN Series AS T3 ON T2.Seriescode = T3.SeriesCode WHERE T3.IndicatorName = 'Inflation, consumer prices (annual %)'