Because of this, Emperor Tenchi made them build national defenses along the coast of the sea of Genkai, Seto Inland Sea and let refugees of Baekje immigrate to Togoku and moved the palace from Asuka in the Nara Basin to Omi no miya which is located on the southern edge of Lake Biwa.
このため天智天皇は国防施設を玄界灘や瀬戸内海の沿岸に築くとともに百済難民を東国へ移住させ、都を奈良盆地の飛鳥から琵琶湖南端の近江宮へ移した。