Podskarbi in the Kingdom of Poland and later in the Polish–Lithuanian Commonwealth was minister responsible for the treasury.
The title although meaning treasurer can be deconstructed as "under[King]-treasury" – treasury as an old-fashioned adjective.
Following treasury offices where among 14 most important national ministers: Lesser treasurers: During the rule of King Casimir III the Great, the treasury was managed by Podskarbi of the Kingdom,[1] called Podskarbi koronny (Treasurer of the Crown).
In the Grand Duchy of Lithuania the office of "Podskarbi ziemski" (District Treasurer) changed in 1569 in a senatorial office and since then called "Podskarbi wielki litewski" (Grand Treasurer of Lithuania).
There are also existed the office of "Podskarbi nadworny litewski" (Court Treasurer of Lithuania), since the 18th century his responsibility was taken over by Kustosz koronny.