Koriyama is generally a very safe place for solo female travelers. The crime rate is exceptionally low and locals are often helpful if you need assistance. As with any location, normal safety precautions are recommended, such as not wandering into unfamiliar areas late at night. The city is not very crowded, and the risk for pickpocketing or other similar crimes is minimal. Public transportation is safe and reliable. When it comes to cultural respect, the people of Koriyama are open-minded and respectful to foreigners. Overall, it is a secure destination for solo female travelers.