Prehistoric Temples
Here's a harmonised list of the 26 megalithic temple sites generally cited for Malta & Gozo (including UNESCO-inscribed complexes and other excavated/destroyed/reburied or very ruinous temple sites).
UNESCO temple complexes
Other temple sites on Malta
Other temple sites on Gozo
Notes & sources:
UNESCO recognises six complexes as World Heritage
Ġgantija
Ħaġar Qim
Mnajdra
Skorba
Ta’ Ħaġrat
Tarxien.
The other temple sites are widely recorded in archaeological overviews and the “Other sites” section of the Wikipedia article (covering Kordin I–III, Buġibba, Debdieba, Ħal-Ġinwi, Qortin l-Imdawwar, Santa Verna, Ta’ Marżiena, Ta’ Raddiena, Tal-Qadi, Tas-Silġ, Xemxija I & II, Xrobb l-Għaġin, Borġ l-Imramma), with additional mapping references for Borġ il-Għarib and Tal-Qiegħan ; Għajn Żejtuna is listed among megalithic temple remains in a Cambridge University Press appendix. Counts vary slightly by author because some entries are destroyed, reburied, or very ruinous, but the 26 above reflect the most commonly cited temple sites today.
UNESCO World Heritage Centre
Wikipedia
Mapcarta
thetempletrail.com
Cambridge University Press & Assessment