National Route 261 is a national highway of Japan connecting

Naka-ku, Hiroshima is the heart of Hiroshima, Hiroshima Prefecture, Japan. Naka-ku is home to Hiroshima's central business district and Peace Memorial Park. Major attractions include the Hondori shopping arcade, a covered mall-like street of shops extending east ...

and

Gōtsu, Shimane is a city located in Shimane Prefecture, Japan. It is the smallest and least populous city in Shimane Prefecture. The city was founded on April 1, 1954. As of 2017, the city has an estimated population of 24,009 and a population density of 89 pe ...

in Japan, with a total length of 102.2 km (63.5 mi).

References

National highways in Japan Roads in Hiroshima Prefecture Roads in Shimane Prefecture {{Japan-road-stub