Emperor Tenmu began selecting a site for his new capital in 676, according to the Nihon Shoki. He envisioned something Japan had never attempted: a permanent capital city designed on a geometric grid, rivaling the great Chinese capitals in ambition if not in scale. Construction progressed intermittently and halted entirely when the emperor died. His widow, Empress Jito, resumed work in 690. The result was enormous. Early researchers assumed the city fit between the three sacred peaks of the Yamato Sanzan -- Mount Miminashi to the north, Mount Unebi to the west, Mount Amanokagu to the east. But excavations in the 1990s revealed a Kyogoku-oji street far beyond those boundaries, establishing the full layout at 5.3 kilometers square -- at least 25 square kilometers of planned urban space. That made Fujiwara-kyo larger than both Heian-kyo (23 square kilometers, later Kyoto) and Heijo-kyo (24 square kilometers, later Nara), the two capitals that succeeded it.

Fujiwara-kyo broke with the pattern that later Japanese capitals would follow. In Heijo-kyo and Heian-kyo, the imperial palace sat at the northern edge of the city, commanding the layout from above in the Chinese Northern Court style. But Fujiwara Palace occupied the center of its city. Scholars believe this design drew not from Tang dynasty Chang'an but from the Kaogongji, an ancient text in the Rites of Zhou describing ideal capital construction -- a choice that may reflect Emperor Tenmu's rivalry with Tang China rather than imitation of it. The palace compound measured approximately one kilometer square, surrounded by a rammed earth wall about five meters high, topped with tiled roofs supported by pillars spaced 2.7 meters apart. Twelve gates pierced the walls -- three on each side -- with the Suzaku Gate on the south as the ceremonial main entrance. Suzaku-oji, the central boulevard, was just over 24 meters wide, modest compared to the 70-meter avenues of later capitals.

Archaeological investigation revealed something unexpected: traces of city-grid streets underneath the palace grounds themselves. The implication is striking. The urban planners first laid out the entire grid across the landscape, and only afterward decided where the palace would go, abolishing the public streets within its boundaries. The same pattern appeared at the site of Yakushi-ji, the great Buddhist temple. The city was the first layer; the institutions came second. Ancient kofun burial mounds that dotted the landscape were leveled to make room for the grid, with only two exceptions: the mausoleums of Emperor Jimmu and Emperor Suizei, Japan's legendary first and second emperors, were left untouched. Fujiwara-kyo had no defensive walls, no fortified gates around its perimeter. This was a capital built for administration and ceremony, not war.

Today, almost nothing of Fujiwara-kyo stands above ground. The palace site is a broad, flat expanse of open land in Kashihara, framed by the three peaks of the Yamato Sanzan that once defined the city's original assumed boundaries. Since 2006, the Fujiwara Palace Site Flower Garden Planting Project has transformed the archaeological grounds into seasonal displays: 2.5 million nanohana blossoms in spring across 20,000 square meters, one million yellow cosmos flowers in summer on 7,000 square meters alongside eleven varieties of lotus on 3,000 square meters, and three million cosmos flowers in autumn blanketing 30,000 square meters. In January 2007, the Japanese government placed the Asuka-Fujiwara archaeological sites on its tentative list for World Heritage registration. The name Fujiwara-kyo itself is a modern invention, coined by historian Kida Sadakichi in a 1913 academic paper. The Nihon Shoki never used it. But the grid that Emperor Tenmu dreamed and Empress Jito built remains legible in the landscape -- visible in field boundaries, road alignments, and the geometry of a place that was Japan's capital for sixteen extraordinary years.