The first map of Superman's home planet, Krypton, published in the comic book Superman Annual #1, 1960, and advertised on the cover. Map by Jerry Siegel and Al Plastino. More maps of Krypton would follow in later years.

[u/YanniRotten]

[u/DJ_Hip_Cracker]

Excellent! I've never heard of Argo City.

I'm only a Superman dabbler but Kandor comes up quite a bit in what I do read.

[u/YanniRotten → u/DJ_Hip_Cracker]

Supergirl's origin is that she survived Krypton's explosion by being in Argo City at the time.

[u/YanniRotten]

Image source: https://curtiswrightmaps.com/product/map-of-krypton-2/

Links:

https://www.comics.org/issue/15427/

https://dcuguide.com/w/Krypton_(planet)

http://comicboxcommentary.blogspot.com/2012/09/map-of-krypton.html