It is located in central coastal Okayama and covers the city of Kurashiki and the town of Hayashima.

As of September 2012, 367,702 eligible voters were registered in the district, giving it slightly below average vote weight.

His son Gaku tried to "inherit" the seat, but lost to Democrat Michiyoshi Yunoki by a margin of about 6,000 votes.

Hashimoto won a seat in the Chūgoku proportional representation block.

In his second attempt in the 2009 general election, he lost to Yunoki by an even wider margin (sekihairitsu 72.4) and also failed to win a proportional seat.