Yamashiro Province in the context of "Kyoto Prefecture"

Nagaoka-kyō (長岡京) was the capital of Japan from 784 to 794. Its location was in Otokuni District, Yamashiro Province, corresponding to a 4.3 x 5.3 kilometer area spanning the borders of modern cities of Mukō and Nagaokakyō, Kyoto, the town of Ōyamazaki, and the Nishikyō-ku ward of the city of Kyoto. The ruins of the palace have been found in the Kaidecho neighbourhood of the city of Mukō and have been designated as a National Historic Site since 1964, with the area under protection expanded in 2016.

Tanba Province (丹波国, Tanba no Kuni; Japanese pronunciation: [taꜜm.ba (no kɯ.ɲi)]) was a province of Japan in the area of central Kyoto and east-central Hyōgo Prefectures. Tanba bordered on Harima, Ōmi, Settsu, Tajima. Tango, Wakasa, and Yamashiro provinces. Its abbreviated form name was Tanshū (丹州). In terms of the Gokishichidō system, Tanba was one of the provinces of the San'indō circuit. Under the Engishiki classification system, Tanba was ranked as one of the "superior countries" (上国) in terms of importance, and one of the "near countries" (近国) in terms of distance from the capital. The provincial capital is believed to have been located in what is now the city of Kameoka, although the exact location remains uncertain. The ichinomiya of the province is the Izumo-daijingū also located in Kameoka. The province had an area of 1,283.43 square kilometres (495.54 sq mi).

Ōmi Province (近江国, Ōmi no Kuni; Japanese pronunciation: [oꜜː.mʲi (no kɯ.ɲi)]) was a province of Japan, which today comprises Shiga Prefecture. It was one of the provinces that made up the Tōsandō circuit. Its nickname is Gōshū (江州). Under the Engishiki classification system, Ōmi was ranked as one of the 13 "great countries" (大国) in terms of importance, and one of the "near countries" (近国) in terms of distance from the imperial capital Kyoto.

Ōmi bordered on Wakasa and Echizen Provinces to the north, Mino and Ise Provinces to the east, Iga and Yamato Provinces to the south, and Yamashiro and Tanba Provinces to the west. Lake Biwa, Japan's largest lake, is located at the center of the province.

Wakasa Province (若狭国, Wakasa no Kuni; Japanese pronunciation: [waꜜ.ka.sa (no kɯ.ɲi)]) was a province of Japan in the area that is today the southwestern portion of Fukui Prefecture in the Hokuriku region of Japan. Wakasa bordered on Echizen, Ōmi, Tanba, Tango, and Yamashiro Provinces. It was part of Hokurikudō Circuit. Its abbreviated form name was Jakushū (若州). Under the Engishiki classification system, Wakasa was ranked as a "medium country" (中国) and a near country (近国) in terms of its importance and distance from the capital.

Yamashiro (山城町, Yamashiro-chō) is a district of the city of Kizugawa, Kyoto Prefecture, Japan. It was named for the old Yamashiro Province. It was a town in its own right in Sōraku District until 2007. Yamashiro and the towns of Kamo and Kizu (all from Sōraku District) merged to create the city of Kizugawa on 12 March 2007.

As of 2003, the town had an estimated population of 8,978 and a density of 366.00 persons per km. The total area was 24.53 km.

Iga Province (伊賀国, Iga no Kuni; Japanese pronunciation: [iꜜ.ɡa (no kɯ.ɲi), iꜜ.ŋa-]) was a province of Japan located in what is today part of western Mie Prefecture. Its abbreviated name was Ishū (伊州). Iga is classified as one of the provinces of the Tōkaidō. Under the Engishiki classification system, Iga was ranked as an "inferior country" (下国 gekoku) and a "near country" (近国 kingoku).

Iga was bordered by Ise to the east and south, Ōmi to the north, Yamato to the west and south, and Yamashiro Province to the northwest. It roughly coincides with the modern municipalities of Iga and Nabari in Mie Prefecture as well as Yagyu in Nara Prefecture. Surrounded by mountains, historically, Iga Province was rather inaccessible due to extremely poor road conditions. However, the area is now relatively easy to access from nearby Nara and Kyoto, as well as the larger cities of Osaka and Nagoya.