Senkokushisho was the organization which was established while Japan was under the Ritsuryo system, for the purpose of compiling official history book Rikkokushi (the Six National histories) and "Shin-kokushi" (the New National History).
撰国史所（せんこくししょ）は、律令制下の日本で正史である六国史及び『新国史』を編纂するために設置された機関。