28208 ／ あいおいし
Hyogo PrefectureBoats rowed by 32 people cross the bay each May.
Peron boat racing01 ／ Festival
In 1922 workers from Nagasaki at the Harima shipyard brought peron boat racing here. Before the war it was held on 27 May, Navy Memorial Day; now it falls on the last Sunday of May. Each boat is 13 metres long and 1.58 metres wide and carries 32 people. Twelve boats are in use.
02 ／ Sea
The city says oyster farming here began as early as the Edo period. Spat are set in the calm water of Aioi Bay and grown out in the Harima Sea. The harvest runs from October to about March, and much of it goes to the Osaka–Kobe markets.
03 ／ Children
On 1 April 2011 Aioi declared itself a "child-rearing support city". Its package of settlement and childcare measures, called the eleven keys, includes free school lunches and a grant for newly married households. It is the city's answer to a shrinking population.
Living here
The Sanyo Shinkansen stops at Aioi Station. The city also lists 70 minutes to Kyoto and 20 to Okayama by Shinkansen, and 20 minutes to Himeji on the local line. The town centre sits at the head of Aioi Bay.
−5.9% since 2015
36,103 → 28,355
22.48km² of it habitable
2024
2.4 people per household
2020
National average 60,630 yen
2023
8.5 per 10,000 people
2023
These 3 items are waiting on a nationwide data source. We do not fill them with estimates.
ACCESS
Travel times follow 市公式「相生市へのアクセス」が掲載している値 (checked 2026-09-23). They vary by time of day.
Shape
North to south
19.4km
If something caught your eye, ask the town itself.
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