Is Izmit safe for solo female travelers?

Izmit, like many cities, varies in safety depending on the area. Overall, it's moderately safe. Turkish people are generally friendly and helpful, and crimes against tourists are relatively uncommon. However, taking usual precautions like avoiding lonely and dark places late at night and not displaying valuables openly is always a good idea. As a female traveler, you may also attract some attention, since solo female travel is not very common in this region. Stick to well-traveled routes and be aware of your surroundings.