- Kenai City is a small city located in the Kenai Peninsula Borough of Alaska, United States. It is situated at the mouth of the Kenai River, which is famous for its salmon fishing. Kenai City is approximately 65 miles southwest of Anchorage and has a population of around 7,800 residents. The city offers outdoor recreational activities such as fishing, hunting, hiking, and wildlife viewing. It is also home to the Kenai Municipal Airport and several historical landmarks, including the Holy Assumption Russian Orthodox Church.