Owada Shuchiku - Owada Shuchiku

... On the other hand, initially, travel to the continent was made from Naniwa-tsu, passing through Bo-tsu in Kyushu, but after the capital was moved to Heian-kyo, travel began from Owada. However, Owada only had the function of a stopover, and in the 12th century, Taira no Kiyomori renovated Owada by building an island called Kyogashima (the name comes from the fact that a stone was sunk with the text of the Buddhist sutra written on its front) in order to make it a hub for trade with the continent. At the same time, he tried to move the capital to Fukuhara behind it, aiming for a direct connection to the political and economic centers. Generally, as a trading port, a tsu had a lot of exchange with other countries, but also had the disadvantage of being vulnerable to invasions by foreign enemies and cohabitation. For this reason, it was customary for the capital, where authority was concentrated, to be located away from the tsu. Considering this, although the move of the capital to Fukuhara was for a short period of time, Kiyomori's intention was close to the modern idea of ​​a port. ...

*Some of the terminology used in reference to "Owada Shuchiku" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　一方，大陸へは当初は難波津を出発地とし，九州の坊津を経て向かっていたが，都が平安京に移ってからは大輪田から出るようになった。しかし，大輪田は泊程度の機能しかもっておらず，12世紀，平清盛はこの地を大陸との交易の拠点としての津にすべく，経ヶ島(その名は石の前面に一切経の経文を書いて沈めたことにちなむという)築島による大輪田修築を行い，その一方，政治，経済の中心地との直結をはかり，背後の福原に都を移そうとしたのである。一般に貿易港としての津は，他国との交流が繁しい一方，外敵の侵入や雑居の影響を受けやすい欠点があり，このため権威の集中する都宮は津から離れて置かれるのが通例であったことを考えると，福原遷都は短期間ではあったが，清盛の意図は近代の港湾の考え方に近いものであったといえる。…

※「大輪田修築」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報