[[Delwedd:Avarua, february 2006.jpg|250px|right|thumb|Avarua ym mis Chwefror 2006.]]
Prifddinas a yr [[Ynysoedd Cook]] yw '''Avarua''' ("dau harbwr" yn [[Rarotongeg]]). Mae Avarua ar yr ynys [[Rarotonga]].<ref>{{cite journal|url=http://epress.lib.uts.edu.au/journals/index.php/cjlg/article/view/766|title=Local Government in the South Pacific Islands|first1=Graham|last1=Hassall|first2=Feue|last2=Tipu|date=28 Ebrill 2008|journal=Commonwealth Journal of Local Governance|issue=1|pages=7–29|access-date=2 Mai 2017|via=epress.lib.uts.edu.au|doi=10.5130/cjlg.v1i0.766|doi-access=free|language=en}}</ref>
