- Iliamna City is a city located in the Lake and Peninsula Borough of Alaska, United States. It is situated on the northwest shore of Iliamna Lake and serves as a hub for the surrounding communities. The population of Iliamna City is relatively small, with around 100 residents. The city is known for its picturesque scenery, abundant wildlife, and fishing opportunities. It is also an important transportation hub, with a small airport and waterway connections to other parts of Alaska.