{ "system" : "China Historical GIS, Harvard University and Fudan University", "license" : "CC BY-NC 4.0", "uri" : "https://maps.cga.harvard.edu/tgaz/placename/hvd_42484", "sys_id" : "hvd_42484", "sys_id of alternate" : "", "spellings" : [ { "written form" : "吉安縣", "script" : "traditional Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "吉安县", "script" : "simplified Chinese", "exonym language" : "", "attested by" : "", "note" : "" }, { "written form" : "Ji'an Xian", "transcribed in" : "Pinyin", "attested by" : "", "note" : "" } ], "feature_type" : { "name" : "县", "alternate name" : "縣", "transcription" : "xian", "English" : "county" }, "temporal" : { "begin" : "627", "begin rule" : "4", "end" : "758", "end rule" : "4" }, "spatial" : { "object_type" : "POINT", "xy_type" : "point", "latitude" : "19.47972", "longitude" : "108.93269", "source" : "FROM_AC", "present_location" : [ { "country code" : "cn", "text" : "海南省昌江县西北南罗镇", "source" : "Fudan", "attestation" : "" } ] }, "historical_context" : { "part of" : [ { "begin year" : "627", "end year" : "741", "parent id" : "hvd_34166", "name" : "儋州", "transcribed" : "Dan Zhou" }, { "begin year" : "742", "end year" : "757", "parent id" : "hvd_34167", "name" : "昌化郡", "transcribed" : "Changhua Jun" }, { "begin year" : "758", "end year" : "758", "parent id" : "hvd_34020", "name" : "儋州", "transcribed" : "Dan Zhou" } ], "subordinate units" : [ ], "preceded by" : [ ] }, "data source" : "CHGIS", "source note" : "吉安县(627-758年)治所(张修桂编写)

唐贞观元年(627年)复置,属儋州,天宝元年(742年)属昌化郡,乾元元年(758年)复属儋州(1)。治所即今海南省昌江县西北南罗镇(2)。乾元二年(759年)省(3)。

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(1),《旧唐书》卷41?岭南道?儋州:“隋儋耳郡。武德五年置儋州,领义伦、昌化、感恩、富罗四县。贞观元年分昌化置普安。天宝元年改为昌化郡,乾元元年复为儋州。”(北京,中华书局,1975年,5册,1762页)。
《唐书》卷43上?地理七上?儋州昌化郡?昌化:“贞观元年析置吉安县,乾元后省。”(北京,中华书局,1957年,4册,1101页)。
(2),《嘉庆一统志》卷452?琼州府?古迹:吉安废县:“在昌化县北。县志,今县东北有旧县,疑是。”(《四部丛刊续编》,商务印书馆,1934年,170册)。今图清昌化县东北未见“旧县”,姑定于清县东北、今昌江县西北南罗镇。
(3),见注(1)。作乾元二年省。", "source uri" : "" }