Iden refers to the rice fields which were given to the ones higher than goi (Fifth Rank) in the rank and the imperial family, depending on the rank or honi (court rank) in the ritsuryo system (a system of centralized government based on the ritsuryo code) in Japan.
位田（いでん）は、日本の律令制において、五位以上の有位者と有品の皇族へ位階・品位に応じて支給された田地である。