Battleships and heavy cruisers that appeared in Kantai Collection are mostly constructed in these four naval yards.

As you can see, it seems that ships of the same class were built in different locations

Kure Naval Arsenal

Yokosuka Naval Arsenal

Kobe Kawasaki Shipyard (civilian)

Mitsubishi Nagasaki Shipyard (civilian)

British Vickers Company desu

Tosa (unfinished)

Shinano (converted to aircraft carrier)

Only the Tone class were built together in the Mitsubishi Nagasaki Shipyard note this when you're memorizing

Kongou class

Fusou & Ise class

Nagato (& Kaga) class

Yamato class

Furutaka class

Aoba class

Myoukou class

Takao class

Mogami class

Allow me to wipe off that cream~ You have cream on you.

Battleship and heavy cruiser construction site

I'm all right.

Well, I suppose.

Oh my.

How kind of you.

Wooooo↑ooooah↓! This battlecry

This Admiral's all slimy

Nuts!

Pan paka pan

Yes, Tone Nee-san.