NOTOC There is more than one place called Banana: Canada Banana Island Provincial Park is a provincial park in British Columbia, Canada. Costa Rica Banana territory - Which can be found in Caribbean Costa Rica. Democratic Republic of the Congo Banana (Democratic Republic of the Congo) - A port city at the mouth of the Congo river on the Atlantic coast of the Democratic Republic of the Congo. Nigeria Banana Island - An artificial island residential area in Lagos state in Nigeria. Sierra Leone Banana Island or Banana Islands - An island(s) that is the prime tourist destination in Sierra Leone.