The Taiping Huanyu Ji (太平寰宇記), or "Universal Geography of the Taiping Era 976-983," is a 10th-century AD geographical treatise by Chinese scholar Yue Shi 樂史 (930-1007), written during the reign of Emperor Taizong of Song in the Northern Song Dynasty. Comprising 200 scrolls (or volumes), it has entries for nearly all areas of China at the time of its publication, complete with place-names and their etymologies. The work generally follows Tang Dynasty systems of geographical and political designation, dividing China into 13 "Circuits" (道 dào), and then subdividing further into the more traditional "prefectures" (州 zhōu) and "counties" (縣 xiàn). Because it is largely based on Tang works, it constitutes an important source for the study of Tang geography.

The Taiping Huanyu Ji generally records places' populations, notable landmarks and religious or ceremonial structures, customs, and basic historical information, sometimes adding details not found in Sima Qian's Records of the Grand Historian, China's most renowned geographical treatise. It also set the trend for including biographies, literary citations, and other material in Chinese geographical works.

《太平寰宇記》是中國北宋時期的樂史編著，共200卷，記錄了宋太宗時的山川地理人文等，很有史料價值。書名又作《太平寰宇志》。

《太平寰宇記》沿用唐制，仿李吉甫《元和郡縣圖誌》的體裁，將全國分為十三道，下分州、縣，分別記述其歷代的建置沿革、戶口、風俗、人物、關塞、亭障、名勝古蹟、祠廟等，又載錄唐以前大量的地方佚文，可補史籍之缺，具有極高的史料價值。如南朝盛弘之《荊州記》、陸澄《地理書抄》、顧野王《輿地誌》等地理佚書，都賴《寰宇記》引錄而得以保留。《文獻通考》評《太平寰宇記》：「太平興國中，盡平諸國，天下一統，史悉取自古山經地誌，考証訛謬，撰成此書上之。」許多在《元和郡縣誌》中沒有淵源解釋的地名，在《太平寰宇記》中都得到了解釋。如玄武湖，在《元和郡縣誌》卷25「上元縣」中僅11字：「在縣北十里。周回二十五里。」，而《太平寰宇記》卷90「上元縣」則詳載：「宋元嘉末，有黑龍見湖內，故改為玄武湖也。」《寰宇記》在地名釋名上記載有二千多處，遠勝於《元和郡縣誌》的九百三十一處，更勝於酈道元《水經注》一千多處。王象之《輿地紀勝》、祝穆《方輿勝覽》都大量引用此書。四庫館臣評：「蓋地理之書，記載至是書而始詳，體例亦自是而大變」 。錢大昕認為「有宋一代志輿地者，當以樂氏為巨擘」 。

近代有王文楚點校本，是目前最佳的版本，收錄於中華書局《中國古代地理總志叢刊》。

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