Prifddinas a dinas fwyaf [[Aserbaijan]] yw '''Baku''' ([[Aserbaijaneg]]: ''Bakı'', [[Persieg]]: ''Baraca''/{{lang-fa|باراکا}} , [[Armenieg]]: ''BadkubePakovan''<ref name="Web.archive.org">{{cite web|url=http://iranchamber.com/podium/culture/020920_politicizing_linguistics.php |archiveurl=Պակովան[https://webupload.archivewikimedia.org/webwikipedia/20071013212555commons/http:d/df/iranchamberSpruner_von_Merz%2C_Karl%3B_Menke%2C_Th.com/podium/culture/020920_politicizing_linguistics_1865.php |archivedate=13_Albania%2C_Iberia%2C_Colchis%2C_Armenia%2C_Mesopotamia%2C_Babylonia%2C_Assyria_%28A%29.10.2007 |title=Culture & Religion on Podium: Politicizing Linguistics |publisher=Web.archive.org |accessdate=25.08.2009 |url-status=dead |df=dmy}}</ref>jpg]), a adnabyddir hefyd fel Baqy, Baky, Baki neu Bakü. Gorwedd Baku, porthladd mwyaf y wlad, ar orynys Absheron. Lleolir Baku 28 medr islaw lefel y môr. Baku yw'r brifddinas genedlaethol isaf yn y byd. Poblogaeth: 2,045,815 (Ionawr, 2011).
Mae'r Hen Ddinas ar restr [[UNESCO]] o [[Safleoedd Treftadaeth y Byd]].
